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Mahogany paper grain — description and returns beneath the overlapping buy card.
Wujiajiania
Top rare unidentified vertebra bone specimen
Paracalmonia
Early Turonian ammonites from Goulmima
North West Africa WEIGHT / SIZE: 3
SWJ0099 - Astonishing Magenta Erythrite from Mount Cobalt Mine, Queensland, Australia Aragonite WujiajianiaThis is an exceptional magenta Erythrite specimen from the famous Mount Cobalt Mine, Queensland, Australia Erythrite or red cobalt is a secondary hydrated cobalt arsenate mineral with the formula (Co3(AsO4)28H2O). Erythrite and annabergite (Ni3(AsO4)28H2O) (nickel arsenate) form a complete series with the general formula (Co,Ni)3(AsO4)28H2O. Erythrite crystallizes in the monoclinic system and forms prismatic crystals. The color is crimson to pink and
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