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Roselite & Erythrite

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SER927034

Roselite & Erythrite

ex Americo Urbinati collection

Description Tabs

Description
Locality: 
Bou Azzer Mine, Amerzgane, Ouarzazate Province, Drâa-Tafilalet Region, Morocco
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.1 × 2.1 × 2.4 cm
Description

a carpet of stawberry red roselite crystals with some blades of erytrhite

Mineral Data
What's on the rock

Roselite

Formula: 
Ca2(Co2+,Mg)(AsO4)2·2H2O
Strunz: 
8.CG.10
Hardness: 
3.5
Type Locality: 
Rappold Mine, Neustädtel, Schneeberg District, Erzgebirge, Saxony, Germany

Erythrite

Formula: 
Co3(AsO4)2·8H2O
Strunz: 
8.CE.40
Hardness: 
1.5 - 2.5
Type Locality: 
Daniel Mine (St. Daniel Mine), Neustädtel, Schneeberg District, Erzgebirge, Saxony, Germany