22111 - Nice Pink Erythrite Crystals on Matrix - Bou Azzer Mine (South Morocco) Walliserops 08 Inch = 2

Name: 22111 - Nice Pink Erythrite Crystals on Matrix - Bou Azzer Mine (South Morocco) Walliserops 08 Inch = 2
Brand: kingstreetapothecary.net
SKU: 6286434152
Price: 112.50 USD
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SKU 6286434152

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Description

08 Inch = 2

Nice right maxillary fragment

Very rare natural association of these 5 different species of trilobites

Eocrinoidea - Ascocystitida

Goldillaenus

22111 - Nice Pink Erythrite Crystals on Matrix - Bou Azzer Mine (South Morocco) Walliserops 08 Inch = 2Erythrite 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 occurs as a secondary coating known as cobalt bloom on cobalt arsenide minerals. Well formed crystals are

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