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Publication
Immediately after the Russian geologists celebrated a professional holiday at the field named after. V.P. Grib (JSC "AGD Diamonds"), a large colorless diamond was found.
Erythrin is a water-containing cobalt arsenate, which has the property of limited solubility, and therefore products made from it are not recommended for wear.
This mineral has a bright yellow color, and its very perfect cleavage largely determines the characteristic golden-silky sheen of the mineral.
Everyone knows a variety of chalcedony, colored green with an admixture of nickel compounds and called chrysoprase.
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