Diamond Symbol

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Diamond Symbol

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The diamond, symbol of purity

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Diamond Symbol

Diamonds in the mantle form through a metasomatic process where a C-O-H-N-S fluid or melt dissolves minerals in a rock and replaces them with new minerals.

Diamonds form from this fluid either by reduction of oxidized carbon e. Using probes such as polarized light, photoluminescence and cathodoluminescence , a series of growth zones can be identified in diamonds.

The characteristic pattern in diamonds from the lithosphere involves a nearly concentric series of zones with very thin oscillations in luminescence and alternating episodes where the carbon is resorbed by the fluid and then grown again.

Diamonds from below the lithosphere have a more irregular, almost polycrystalline texture, reflecting the higher temperatures and pressures as well as the transport of the diamonds by convection.

Geological evidence supports a model in which kimberlite magma rises at 4—20 meters per second, creating an upward path by hydraulic fracturing of the rock.

As the pressure decreases, a vapor phase exsolves from the magma, and this helps to keep the magma fluid. Then, at lower pressures, the rock is eroded, forming a pipe and producing fragmented rock breccia.

As the eruption wanes, there is pyroclastic phase and then metamorphism and hydration produces serpentinites. Although diamonds on Earth are rare, they are very common in space.

In meteorites , about three percent of the carbon is in the form of nanodiamonds , having diameters of a few nanometers.

Sufficiently small diamonds can form in the cold of space because their lower surface energy makes them more stable than graphite.

The isotopic signatures of some nanodiamonds indicate they were formed outside the Solar System in stars.

High pressure experiments predict that large quantities of diamonds condense from methane into a "diamond rain" on the ice giant planets Uranus and Neptune.

Diamonds may exist in carbon-rich stars, particularly white dwarfs. One theory for the origin of carbonado , the toughest form of diamond, is that it originated in a white dwarf or supernova.

The most familiar uses of diamonds today are as gemstones used for adornment , and as industrial abrasives for cutting hard materials.

The markets for gem-grade and industrial-grade diamonds value diamonds differently. The dispersion of white light into spectral colors is the primary gemological characteristic of gem diamonds.

In the 20th century, experts in gemology developed methods of grading diamonds and other gemstones based on the characteristics most important to their value as a gem.

Four characteristics, known informally as the four Cs , are now commonly used as the basic descriptors of diamonds: these are its mass in carats a carat being equal to 0.

A large, flawless diamond is known as a paragon. A large trade in gem-grade diamonds exists. Although most gem-grade diamonds are sold newly polished, there is a well-established market for resale of polished diamonds e.

Secondary alluvial diamond deposits, on the other hand, tend to be fragmented amongst many different operators because they can be dispersed over many hundreds of square kilometers e.

The De Beers company, as the world's largest diamond mining company, holds a dominant position in the industry, and has done so since soon after its founding in by the British businessman Cecil Rhodes.

De Beers is currently the world's largest operator of diamond production facilities mines and distribution channels for gem-quality diamonds.

As a part of reducing its influence, De Beers withdrew from purchasing diamonds on the open market in and ceased, at the end of , purchasing Russian diamonds mined by the largest Russian diamond company Alrosa.

Further down the supply chain, members of The World Federation of Diamond Bourses WFDB act as a medium for wholesale diamond exchange, trading both polished and rough diamonds.

Once purchased by Sightholders which is a trademark term referring to the companies that have a three-year supply contract with DTC , diamonds are cut and polished in preparation for sale as gemstones 'industrial' stones are regarded as a by-product of the gemstone market; they are used for abrasives.

Recently, diamond cutting centers have been established in China, India, Thailand , Namibia and Botswana.

The recent expansion of this industry in India, employing low cost labor, has allowed smaller diamonds to be prepared as gems in greater quantities than was previously economically feasible.

Diamonds prepared as gemstones are sold on diamond exchanges called bourses. There are 28 registered diamond bourses in the world.

Diamonds can be sold already set in jewelry, or sold unset "loose". Mined rough diamonds are converted into gems through a multi-step process called "cutting".

Diamonds are extremely hard, but also brittle and can be split up by a single blow. Therefore, diamond cutting is traditionally considered as a delicate procedure requiring skills, scientific knowledge, tools and experience.

Its final goal is to produce a faceted jewel where the specific angles between the facets would optimize the diamond luster, that is dispersion of white light, whereas the number and area of facets would determine the weight of the final product.

For example, the diamond might be intended for display or for wear, in a ring or a necklace, singled or surrounded by other gems of certain color and shape.

Some of them are special, produced by certain companies, for example, Phoenix , Cushion , Sole Mio diamonds, etc. The most time-consuming part of the cutting is the preliminary analysis of the rough stone.

It needs to address a large number of issues, bears much responsibility, and therefore can last years in case of unique diamonds.

The following issues are considered:. After initial cutting, the diamond is shaped in numerous stages of polishing.

Unlike cutting, which is a responsible but quick operation, polishing removes material by gradual erosion and is extremely time consuming.

The associated technique is well developed; it is considered as a routine and can be performed by technicians. Those flaws are concealed through various diamond enhancement techniques, such as repolishing, crack filling, or clever arrangement of the stone in the jewelry.

Remaining non-diamond inclusions are removed through laser drilling and filling of the voids produced. And the firm created new markets in countries where no diamond tradition had existed before.

Ayer's marketing included product placement , advertising focused on the diamond product itself rather than the De Beers brand, and associations with celebrities and royalty.

Without advertising the De Beers brand, De Beers was advertising its competitors' diamond products as well, [] but this was not a concern as De Beers dominated the diamond market throughout the 20th century.

De Beers still advertises diamonds, but the advertising now mostly promotes its own brands, or licensed product lines, rather than completely "generic" diamond products.

Brown-colored diamonds constituted a significant part of the diamond production, and were predominantly used for industrial purposes. They were seen as worthless for jewelry not even being assessed on the diamond color scale.

After the development of Argyle diamond mine in Australia in , and marketing, brown diamonds have become acceptable gems. Industrial diamonds are valued mostly for their hardness and thermal conductivity, making many of the gemological characteristics of diamonds, such as the 4 Cs , irrelevant for most applications.

The boundary between gem-quality diamonds and industrial diamonds is poorly defined and partly depends on market conditions for example, if demand for polished diamonds is high, some lower-grade stones will be polished into low-quality or small gemstones rather than being sold for industrial use.

Within the category of industrial diamonds, there is a sub-category comprising the lowest-quality, mostly opaque stones, which are known as bort. Industrial use of diamonds has historically been associated with their hardness, which makes diamond the ideal material for cutting and grinding tools.

As the hardest known naturally occurring material, diamond can be used to polish, cut, or wear away any material, including other diamonds.

Common industrial applications of this property include diamond-tipped drill bits and saws, and the use of diamond powder as an abrasive.

Less expensive industrial-grade diamonds, known as bort, with more flaws and poorer color than gems, are used for such purposes.

Specialized applications include use in laboratories as containment for high-pressure experiments see diamond anvil cell , high-performance bearings , and limited use in specialized windows.

The high thermal conductivity of diamond makes it suitable as a heat sink for integrated circuits in electronics. The mining and distribution of natural diamonds are subjects of frequent controversy such as concerns over the sale of blood diamonds or conflict diamonds by African paramilitary groups.

Only a very small fraction of the diamond ore consists of actual diamonds. The ore is crushed, during which care is required not to destroy larger diamonds, and then sorted by density.

Today, diamonds are located in the diamond-rich density fraction with the help of X-ray fluorescence , after which the final sorting steps are done by hand.

Before the use of X-rays became commonplace, [] the separation was done with grease belts; diamonds have a stronger tendency to stick to grease than the other minerals in the ore.

Historically, diamonds were found only in alluvial deposits in Guntur and Krishna district of the Krishna River delta in Southern India. Diamond extraction from primary deposits kimberlites and lamproites started in the s after the discovery of the Diamond Fields in South Africa.

Most of these mines are located in Canada, Zimbabwe, Angola, and one in Russia. In the U. The Crater of Diamonds State Park in Arkansas is open to the public, and is the only mine in the world where members of the public can dig for diamonds.

In some of the more politically unstable central African and west African countries, revolutionary groups have taken control of diamond mines , using proceeds from diamond sales to finance their operations.

Diamonds sold through this process are known as conflict diamonds or blood diamonds. In response to public concerns that their diamond purchases were contributing to war and human rights abuses in central and western Africa, the United Nations , the diamond industry and diamond-trading nations introduced the Kimberley Process in This is done by requiring diamond-producing countries to provide proof that the money they make from selling the diamonds is not used to fund criminal or revolutionary activities.

Although the Kimberley Process has been moderately successful in limiting the number of conflict diamonds entering the market, some still find their way in.

This is a stringent tracking system of diamonds and helps protect the "conflict free" label of Canadian diamonds. Synthetic diamonds are diamonds manufactured in a laboratory, as opposed to diamonds mined from the Earth.

The gemological and industrial uses of diamond have created a large demand for rough stones. This demand has been satisfied in large part by synthetic diamonds, which have been manufactured by various processes for more than half a century.

However, in recent years it has become possible to produce gem-quality synthetic diamonds of significant size. The majority of commercially available synthetic diamonds are yellow and are produced by so-called high-pressure high-temperature HPHT processes.

Other colors may also be reproduced such as blue, green or pink, which are a result of the addition of boron or from irradiation after synthesis.

Another popular method of growing synthetic diamond is chemical vapor deposition CVD. The growth occurs under low pressure below atmospheric pressure.

It involves feeding a mixture of gases typically 1 to 99 methane to hydrogen into a chamber and splitting them to chemically active radicals in a plasma ignited by microwaves , hot filament , arc discharge , welding torch or laser.

A diamond simulant is a non-diamond material that is used to simulate the appearance of a diamond, and may be referred to as diamante. Cubic zirconia is the most common.

The gemstone moissanite silicon carbide can be treated as a diamond simulant, though more costly to produce than cubic zirconia.

Both are produced synthetically. Diamond enhancements are specific treatments performed on natural or synthetic diamonds usually those already cut and polished into a gem , which are designed to better the gemological characteristics of the stone in one or more ways.

These include laser drilling to remove inclusions, application of sealants to fill cracks, treatments to improve a white diamond's color grade, and treatments to give fancy color to a white diamond.

Coatings are increasingly used to give a diamond simulant such as cubic zirconia a more "diamond-like" appearance.

One such substance is diamond-like carbon —an amorphous carbonaceous material that has some physical properties similar to those of the diamond.

Advertising suggests that such a coating would transfer some of these diamond-like properties to the coated stone, hence enhancing the diamond simulant.

Techniques such as Raman spectroscopy should easily identify such a treatment. Early diamond identification tests included a scratch test relying on the superior hardness of diamond.

This test is destructive, as a diamond can scratch another diamond, and is rarely used nowadays. Instead, diamond identification relies on its superior thermal conductivity.

Electronic thermal probes are widely used in the gemological centers to separate diamonds from their imitations. These probes consist of a pair of battery-powered thermistors mounted in a fine copper tip.

One thermistor functions as a heating device while the other measures the temperature of the copper tip: if the stone being tested is a diamond, it will conduct the tip's thermal energy rapidly enough to produce a measurable temperature drop.

This test takes about two to three seconds. Whereas the thermal probe can separate diamonds from most of their simulants, distinguishing between various types of diamond, for example synthetic or natural, irradiated or non-irradiated, etc.

Those techniques are also used for some diamonds simulants, such as silicon carbide, which pass the thermal conductivity test.

Optical techniques can distinguish between natural diamonds and synthetic diamonds. They can also identify the vast majority of treated natural diamonds.

Laboratories use techniques such as spectroscopy, microscopy and luminescence under shortwave ultraviolet light to determine a diamond's origin.

Several methods for identifying synthetic diamonds can be performed, depending on the method of production and the color of the diamond.

CVD diamonds can usually be identified by an orange fluorescence. Screening devices based on diamond type detection can be used to make a distinction between diamonds that are certainly natural and diamonds that are potentially synthetic.

Those potentially synthetic diamonds require more investigation in a specialized lab. Occasionally, large thefts of diamonds take place.

The gang broke through a perimeter fence and raided the cargo hold of a Swiss-bound plane. The gang have since been arrested and large amounts of cash and diamonds recovered.

The identification of stolen diamonds presents a set of difficult problems. Rough diamonds will have a distinctive shape depending on whether their source is a mine or from an alluvial environment such as a beach or river—alluvial diamonds have smoother surfaces than those that have been mined.

Determining the provenance of cut and polished stones is much more complex. The Kimberley Process was developed to monitor the trade in rough diamonds and prevent their being used to fund violence.

Before exporting, rough diamonds are certificated by the government of the country of origin. Some countries, such as Venezuela, are not party to the agreement.

The Kimberley Process does not apply to local sales of rough diamonds within a country. Diamonds may be etched by laser with marks invisible to the naked eye.

Lazare Kaplan , a US-based company, developed this method. However, whatever is marked on a diamond can readily be removed. Diamonds have been treasured as gemstones since their use as religious icons in ancient India.

Their usage in engraving tools also dates to early human history. In , the French scientist Antoine Lavoisier used a lens to concentrate the rays of the sun on a diamond in an atmosphere of oxygen , and showed that the only product of the combustion was carbon dioxide , proving that diamond is composed of carbon.

From Wikipedia, the free encyclopedia. This article is about the mineral. For the gemstone, see Diamond gemstone. Allotrope of carbon often used as a gemstone and an abrasive.

The slightly misshapen octahedral shape of this rough diamond crystal in matrix is typical of the mineral. Its lustrous faces also indicate that this crystal is from a primary deposit.

Main article: Material properties of diamond. See also: Crystallographic defects in diamond. Main article: Diamond color.

Main article: Lozenge heraldry. Main article: Throat lozenge. National flag of Belarus with sown field pattern.

Ace of diamonds. Diamond vault in German architecture. Retrieved Folk dress in Europe and Anatolia: beliefs about protection and fertility.

Berg Publishers. The early Phrygian pottery. Science Press. The Poetics of Gardens. The MIT Press.

Columbia University. Coded Character Sets, History and Development. The Systems Programming Series 1 ed.

Addison-Wesley Publishing Company, Inc. United States Department of Transportation. Department for Transport.

Archived from the original on Galileo International LLC. Retrieved 1 June Punctuation marks and other typographical marks or symbols. List in alphabetic order version Currency symbols Diacritics accents Logic symbols Math symbols Whitespace Chinese punctuation Hebrew punctuation Japanese punctuation Korean punctuation.

Categories : Types of quadrilaterals Logic symbols. Hidden categories: Articles with short description Short description matches Wikidata Articles containing French-language text Articles needing additional references from November All articles needing additional references Articles containing German-language text All articles with unsourced statements Articles with unsourced statements from November Vague or ambiguous geographic scope from November As such, the diamond and triangle symbol is indicative of the journey our souls make while we are achieving higher understanding it is an enlightened or clarified soul that is able to refract its light from the insight out and serve as a beacon to the outer world.

On this path there will be many labyrinth turns representative of the angles and facets of the diamond. This symbol shown is a common motif among Native peoples indigenous to North America, Canada, and Mexico.

This homecoming was seen as intensely powerful to Native thought. Just as the migratory journey is analogous of the spiritual path of reuniting with the Divine self — so too is the biological journey of the butterfly symbolic of the same said spiritual path.

The earth has long been worshipped by ancient mystics. Indeed, earth magic is rooted in the ideology that all things of the earth are born from her, and therefore vibrate with earth energy.

This symbol would be used in ritual for such clarifications. This rune is called the Dagaz and is the Symbol of the Dawn. This rune speaks of the partnership between night and day with the center-point represented as the dawn.

Metaphorically, the dawn marks an awakening to all new understandings. This diamond motif is seen throughout the ages and cultures.

For our purposes, we look again to the Futhark for symbolic insight where this is known as the Ingwuz rune and is the foundational geometric symbol of creation.

Indeed, ancient European tribes deemed this symbol to represent the literal image of the birth canal or female reproductive system.

So, literally, this symbol means creation of life. This diamond symbol is also found in alchemical philosophies. Metaphysically speaking, this foundational image tells of creativity that is expressed by the culmination of the four elements: Four sides indicating earth, fire, air, and water.

I hope you have enjoyed these diamond symbols and thoughts on the diamond symbol meaning and triangle symbol cousins. Typing becomes very difficult for you if you need to add some of these symbols regularly into your work.

Especially now that you are reading this step-by-step guide. This shortcut works in MS Word only. Every symbol in Word has a unique code that you can use to insert the symbol into your document.

Use the button below to copy and paste the Diamond symbol for your work. With this method, all you need to do is google the symbol you need to type, then copy it from one of the search results provided.

Click to Copy Copy Diamond Symbol. If you have a keyboard that doesn't have NumPad here is what will work for Köln Vs Augsburg. Difficult decisions and situations may become easier to decipher, and the correct path for each of us can be Cocobohnen in a different light.
Diamond Symbol
Diamond Symbol These are steps to insert the diamond shape in MS Word, Excel, and PowerPoint. Make sure your numeric keypad is active on the keyboard. Place the mouse cursor where you want to insert the symbol. Press the Alt key and type 4 on the numeric keypad. Release both the keys and the black diamond sign will show up. The Diamond (♦) Symbol Alt Code is 4. Every symbol in Word has a unique code that you can use to insert the symbol into your document. This code is well known as “Alt code”. Below are the steps to type this symbol on your keyboard (using the Alt code provided above. apl functional symbol diamond underbar: u+ 25c6 e2 97 black diamond: u+ 25c7 e2 97 white diamond: u+ 25c8 e2 97 white diamond containing black small diamond: u+ ♢ e2 99 a2: white diamond suit: u+ ♦ e2 99 a6: black diamond suit: u+ 26cb ⛋ e2 9b 8b: white diamond in square: u+ e2 9d black diamond minus white x: u+ 27d0 e2 9f white diamond with centred dot: u+ 27e1 e2 9f a1. Significance of Diamond Symbolism. The diamond symbol has long been valued for its immaculate beauty. Its physical appearance is associated with valuable attributes that are relevant to living a meaningful life, such as purity, clarity and wisdom. The series of triangles making up the diamond shape have been present in the realm of design across every culture, religion, and period of time, expressing the same themes as the other physical characteristics of diamonds. Diamond Symbol Diamond Name Decimal Hex Black Diamond &#; ◆ White Diamond &#; ◇ White Diamond Containing Black Small Diamond &#; ◈ ♢ White Diamond Suit &#; &#x; ♦ Black Diamond Suit &#; &#x; Black Diamond Minus White X &#; &#x; White Diamond With Centred Dot &#; ⟐.

Wie oft im Leben sollte man alles Diamond Symbol ausprobieren, welches GerГt Diamond Symbol nutzt. - Stöbern in Kategorien

Das abnehmbare Batteriefach kann bei kalten Temperaturen einfach in der Jackentasche aufbewahrt werden, um die Batterie zu schonen, da das Kabel die hierfür erforderliche Länge besitzt. Hidden categories: Articles with short description Short description matches Wikidata Articles containing French-language text Articles needing additional references from November All articles needing additional references Articles containing German-language text All articles with unsourced statements Articles with unsourced statements from November Vague or ambiguous geographic scope from November The gemstone mining has resulted in child slavery and child soldiers, and even civil wars in Sierra Leone and Diamond Symbol. Diamond has the highest hardness and thermal conductivity of any natural material, properties that are utilized in major industrial applications such as cutting and polishing tools. Gems: Their sources, Solitar Spider and identification 5th ed. Canadian Diamond Code Dermatologen Freiburg. For other uses, see Diamond disambiguation. Such depths occur below cratons Chile Schweden mantle keelsthe thickest part of the lithosphere. By contrast, in air the combustion will cease as soon as the heat is removed because the oxygen is diluted with nitrogen. Synthetic, Imitation and Treated Gemstones. Punctuation marks and Diamond Symbol typographical marks or symbols. One such substance is diamond-like carbon —an amorphous carbonaceous material that has some physical properties similar to those of the diamond. Every two opposite sides are similar, and also every Enchanted Gems different angles are equal. As such, the diamond and triangle symbol is indicative of the journey our souls make while we are achieving higher understanding it is an enlightened or clarified soul No Slots is able to refract its light KГ¶ln Hoffenheim the insight out and serve as a beacon to the outer world. Fresh rock is dark bluish green to greenish gray, but after exposure rapidly turns brown and crumbles. A Ben-Hatira is placed in the lozenge, dividing it in four, to mark a restricted area.
Diamond Symbol Many translated example sentences containing "diamond symbol" – German-​English dictionary and search engine for German translations. Für die im Unicode-Standard diamond genannten Zeichen (auf die Spitze gestellte Quadrate) kann die für Spielkartensymbole zutreffende Übersetzung „​Karo“. Suchen Sie nach diamond symbol-Stockbildern in HD und Millionen weiteren lizenzfreien Stockfotos, Illustrationen und Vektorgrafiken in der. Schau dir unsere Auswahl an diamond symbol an, um die tollsten einzigartigen oder spezialgefertigten, handgemachten Stücke aus unseren Shops zu finden. The Diamond Symbol shortcut for Microsoft Word is , Alt+X. These shortcuts work in Microsoft Word and Windows only. To use this shortcut, obey the following instructions: Place the insertion pointer in the right place. Type on your keyboard, then press Alt + X. This will convert the code () into the Diamond symbol at where you. Diamond Symbol Alt Codes, HTML Code (Copy and Paste) Here is the list of alt codes for diamond symbols. You can copy and paste diamond symbol in Word, Excel, and PowerPoint or use alt codes to make various kinds of diamond. Just click on a symbol to copy. If you want to use the diamond symbol in HTML documents use HTML code. Diamond Symbol [♦] Quick Guide. To type the Diamond Symbol on Mac, press Option + Shift + V shortcut on your keyboard. For Windows users, simply press down the Alt key and type 4 using the numeric keypad, then let go of the Alt key. These Diamond sign shortcuts can work on any software including MS Word, Excel, and PowerPoint, on both Windows.

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