Loose Mineral Makeup Information

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30-carat Shepard Diamond. The diamond is named for the Smithsonian employee who helped facilitate the transaction. Other colored diamonds in the Smithsonian Collection include the 8. This stone is from South Africa, and was acquired by the Smithsonian Museum in exchange for a collection of small diamonds that had been seized as smuggled goods by the United States Customs Service.

According to geologists the first delivery of diamonds was somewhere around 2,5 billion years ago and the most recent was 45 million years ago. Diamonds form between 75-120 miles below the earth's surface. The carbon that makes diamonds comes from the melting of pre-existing rocks in the Earth's upper mantle. Temperature changes in the upper mantle forces the carbon atoms to go deeper where it melts and finally becomes new rock, when the temperature reduces. If other conditions like pressure and chemistry is right then the carbon atoms in the melting crystal rock bond to build diamond crystals. There is an abundance of carbon atoms in the mantle.

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However, you ought to be reminded that the stones of the richest colors are very rare, which results to the lessening of the client's standards and leads them to settle for gems with lighter colors. But of course once it undergoes the proper polishing measures, its sparkle also contributes to its potential market value. The richer the color of the stone the more precious it is.

A synthetic diamond should not be confused with stimulant diamonds, such as glass, cubic zirconia, or moissanite. The first synthetic diamonds were produced by General Electric in 1954. A synthetic diamond is basically a rock that has the durability, refractive index and hardness of a natural diamond – but it is made by man.

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Sheer Minerals Makeup
The richer the color of the stone the more precious it is.

Precious Gem Names
A synthetic diamond is basically a rock that has the durability, refractive index and hardness of a natural diamond – but it is made by man.

Interesting information on loose mineral makeup. This is the De Young Red, a 5,03-carat, brilliant cut red diamond. The main kite-shaped facets on the crown are divided in two, giving the stone more brilliance than a standard round brilliant cut. The stone is not pure red but has a slight brown hue, which makes it appear like a fine red garnet and indeed, it was once purchased as such at an estate sale. An extremely rare red diamond resides at the Smithsonian as well. Come back often as we keep adding new information everyday! We hope this information about loosemineralmakeup was usefull.