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Chrysocolla Psm Malachite

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PJM45023

Chrysocolla Psm Malachite

Description Tabs

Description
Locality: 
Whim Creek Mine, Pilbara, Western Australia, Australia
Size Range: 
Cabinet (10-18 cm)
Size: 
8.9 × 17.5 × 10.5 cm
Description

<p>A superb oldtime specimen from the original upper workings at Whim Creek. This is a surpisingly light weigh specimen due to the skelatal black gossan matrix which was originally covered with botyroidal malachite that has been at least partially pseudomorphed by chrysocolla, typical of many malachite specimens even from the lower workings at this location.</p> <p>Ex Jose Rees Collection</p>

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

Malachite

Formula: 
Cu2(CO3)(OH)2
Strunz: 
5.BA.10
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0
Earthstones Australia

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