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Reichenbachite Psm Torbernite

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MMM29945

Reichenbachite Psm Torbernite

Description Tabs

Description
Locality: 
Old Gunnislake Mine, Calstock, Cornwall, United Kingdom
Size Range: 
Small cabinet (7-10 cm)
Size: 
5 × 7.5 × 2 cm
Description

A thin granite matrix which displays on both sides micro crystalline reichenbachite.

On one end there are plates of torbernite to 4 mm which have been totally replaced by this rare copper phosphate.

An unusual specimen and a fairly large example for this locality.

Mineral Data
What's on the rock

Reichenbachite

Formula: 
Cu5(PO4)2(OH)4
Strunz: 
8.BD.05
Crystal System: 
Monoclinic
Hardness: 
3.5
Type Locality: 
Point 8.0, Borstein, Reichenbach, Lautertal (Odenwald), Odenwald, Hesse, Germany

Torbernite

Formula: 
Cu(UO2)2(PO4)2·12H2O
Strunz: 
8.EB.05
Crystal System: 
Tetragonal
Hardness: 
2.0 - 2.5
Type Locality: 
Johanngeorgenstadt, Johanngeorgenstadt District, Erzgebirge, Saxony, Germany