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Smithsonite On Coronadite

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PJM205239

Smithsonite On Coronadite

Description Tabs

Description
Locality: 
Proprietary Mine, Broken Hill, New South Wales, Australia
Size Range: 
Cabinet (10-18 cm)
Size: 
14 × 6.3 × 5.5 cm
Description

A large cabinet specimen of stalactitic black coronadite richly studded with off white teardrop smithsonite crystals. This is an old time specimen from around 1900. large specimens like this are seldom seen anymore and only from old collections.

Mineral Data
What's on the rock

Smithsonite

Formula: 
ZnCO3
Strunz: 
5.AB.05
Hardness: 
4.0 - 4.5
Streak: 
White

Coronadite

Formula: 
Pb(Mn4+6Mn3+2)O16
Strunz: 
4.DK.05a
Hardness: 
4.5 - 5.0
Type Locality: 
Horse-Shoe shaft (Horseshoe Mine), Coronado Mine (Coronado Mining Co. property; Arizona Copper Co. group [in part]), Coronado vein, Copper Plate Gulch, Copper Mountain District (Clifton-Morenci District), Shannon Mts, Greenlee Co., Arizona, USA
Earthstones Australia

Seller Information

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All goods must be paid for prior to shipping, all bids are binding.