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Schulenbergite & Serpierite

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CLB180141

Schulenbergite & Serpierite

Classic Locality

Description Tabs

Description
Locality: 
Bastenberg Mine, Ramsbeck, Bestwig, Arnsberg, North Rhine - Westphalia, Germany
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.5 × 8 × 7.5 cm
Description

A mix of turquoise-colored pale schulenbergite and serpierite (maybe U94?) with black matrix (hydrohetaerolite?). A lawn of colorless crystals on one side (no detail picture) could be zn-jarosite, but the analysis is difficult.

Mineral Data
What's on the rock

Schulenbergite

Formula: 
(Cu,Zn)7(SO4,CO3)2(OH)10·3H2O
Strunz: 
7.DD.80
Crystal System: 
Trigonal
Hardness: 
2.0
Type Locality: 
Glücksrad Mine, Oberschulenberg, Bockswies veins, Clausthal-Zellerfeld, Harz, Lower Saxony, Germany

Serpierite

Formula: 
Ca(Cu,Zn)4(SO4)2(OH)6·3H2O
Strunz: 
7.DD.30
Crystal System: 
Monoclinic
Hardness: 
2.0
Type Locality: 
Serpieri Mine, Kamariza Mines (Kamareza Mines), Agios Konstantinos [St Constantine] (Kamariza), Lavrion District Mines, Lavrion District (Laurion; Laurium), Attikí Prefecture (Attica; Attika), Greece

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