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Pyromorphite On Coronadite

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PJM39475

Pyromorphite On Coronadite

Description Tabs

Description
Locality: 
Blackwood Opencut, MMM Mine, Broken Hill, Yancowinna County, New South Wales, Australia
Size Range: 
Cabinet (10-18 cm)
Size: 
5 × 11.1 × 10 cm
Description

A block of garnet sandstone from Blackwoods Opencut is covered on two surfaces with black coronadite onto which individual freestanding yellow pyromorphite crystals have grown. The individual pyromorphite crystals are upto 7mm long.

A large and impressive pyromorphite recovered in the 1990's.

Mineral Data
What's on the rock

Pyromorphite

Formula: 
Pb5(PO4)3Cl
Strunz: 
8.BN.05
Crystal System: 
Hexagonal
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Zschopau, Erzgebirge, Saxony, Germany

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.