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Pseudomalachite & Philipsburgite

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SMM582721

Pseudomalachite & Philipsburgite

Description Tabs

Description
Locality: 
Sa Duchessa Mine, Oridda, Domusnovas, Carbonia-Iglesias Province, Sardinia, Italy
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 1.5 × 1 cm
Description

A nice showy small sample, with some glassy, emerald green, drops of pseudomalachite. They stay on a shiny carpet, black, of probably Mn oxide. With a lighter, grass-green there are some groups of crystals of philipsburgite.

Boxed with Label
Mineral Data
What's on the rock

Pseudomalachite

Formula: 
Cu5(PO4)2(OH)4
Strunz: 
8.BD.05
Crystal System: 
Monoclinic
Hardness: 
4.0 - 4.5
Type Locality: 
Virneberg Mine (St Josephsberg Mine), Rheinbreitbach, Linz am Rhein, Westerwald, Rhineland-Palatinate, Germany

Philipsburgite

Formula: 
(Cu,Zn)6(AsO4,PO4)2(OH)6·H2O
Strunz: 
8.DA.35
Hardness: 
3.0 - 4.0
Type Locality: 
Black Pine Mine (Combination Mine; Black Pine tailings; Black Pine dump), Black Pine Ridge, John Long Mts, Philipsburg District (Flint Creek District), Granite Co., Montana, USA

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