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Spherocobaltite & Roselite

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BCK662491

Spherocobaltite & Roselite

Kay Robertson collection
Type Locality

Description Tabs

Description
Locality: 
Daniel Mine, Gallenbach Valley, Wittichen, Schenkenzell, Freiburg Region, Baden-Württemberg, Germany
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.3 × 3.8 × 3.1 cm
Description

You are bidding on an exceptional sample from the type locality for spherocobalite. One side of the specimen is loaded with vugs hosting small groups of bright pink spherocobaltite crystals on quartz. The other side of the sample has a vug system with nice groups of roselite crystals. This is an extremely rich and high quality sample from the Kay Robertson collection. 

Mineral Data
What's on the rock

Spherocobaltite

Formula: 
CoCO3
Strunz: 
5.AB.05
Hardness: 
3.0 - 4.0
Type Locality: 
Daniel Mine (St. Daniel Mine), Neustädtel, Schneeberg District, Erzgebirge, Saxony, Germany

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

Seller Information

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