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Metatorbernite & Quartz Psm Calcite

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PDM618090

Metatorbernite & Quartz Psm Calcite

Pseudomorph

Description Tabs

Description
Locality: 
Entraygues-sur-Truyere, Aveyron, Occitanie, France
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.2 × 9.1 × 1.5 cm
Largest Crystal: 
0.20cm
Description

Crust of quartz crystals, partially colored red due to iron hydr(oxydes), on a crust of deep-red iron hydr(oxydes) that form a triangular structures pointing to a pseudomorphosis after calcite. Dozens of green tabular metatorbernite crystals are richly scattered on these pseudomorphs.

Collected by Pierre Laurent (FR) in 07/2014.

Mineral Data
What's on the rock

Metatorbernite

Formula: 
Cu(UO2)2(PO4)2·8H2O
Strunz: 
8.EB.10
Hardness: 
2.5
Type Locality: 
Schneeberg District, Erzgebirge, Saxony, Germany

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

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