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Chrysocolla Psm Antlerite & Quartz

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PJM38781

Chrysocolla Psm Antlerite & Quartz

Description Tabs

Description
Locality: 
Mount Isa, Mount Isa City Shire, Queensland, Australia
Size Range: 
Miniature (4.5-7 cm)
Size: 
2.5 × 6 × 4.6 cm
Description

At first glance this appears to be a lumpy chrysocolla specimen with some sparkling little quartz crystals, however on closer examination the chrysocolla has both covered and psuedomorphed sprays of antlerite crystals.
There is still some reminent antlerite visible aound the edges of this specimen.
An old timer.

Mineral Data
What's on the rock

Chrysocolla

Formula: 
Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (x < 1)
Strunz: 
9.ED.20
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.5

Antlerite

Formula: 
Cu3(SO4)(OH)4
Strunz: 
7.BB.15
Crystal System: 
Orthorhombic - Dipyramidal
Hardness: 
3.5
Type Locality: 
Antler Mine (Antler Gold Mine; Spuyten Duyvel Mine), Arrastra Mt., Hualapai District, Hualapai (Hualpai) Mts, Mohave Co., Arizona, USA

Quartz

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

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