Diamond
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Diamond is a mineral form of the element carbon with its atoms arranged in a crystal structure called diamond cubic. Diamond is a tasteless, odorless, strong, brittle solid, a poor conductor of electr
A rough diamond
Main diamond producing countries (in French)
One face of an uncut octahedral diamond, showing trigons (of positive and negative relief) formed by natural chemical etching
The extreme hardness of diamond in certain orientations makes it useful in materials science, as in this pyramidal diamond embedded in the working surface of a Vickers hardness tester.
Diamond (gemstone)
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A diamond is a gemstone formed by cutting a raw diamond. Diamonds have high monetary value as one of the best-known and most sought-after gems, and they have been used as decorative items since ancien
Diamond
…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. Eighty percent of mined diamonds (equal to about 135,000,000 carats (27,000 kg) annually) are unsuitable for use as…
Diamonds in modern brilliant cut.
The Hope Diamond. Its deep blue coloration is caused by trace amounts of boron in the diamond.
Fleetwood Rawstone's "Red Cap Party" of prospectors on Colesberg Kopje
The Big Hole.