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Zincian Dolomite On Coronadite

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PJM42255

Zincian Dolomite On Coronadite

Ex Jose Rees & Australian Lapidary Supples

Description Tabs

Description
Locality: 
Proprietary Mine, Broken Hill, New South Wales, Australia
Size Range: 
Small miniature (3-4.5 cm)
Size: 
1.7 × 3.6 × 1.8 cm
Description

A jet black stalactitic coronadite provides a core on which a series of zincian dolomite spheres have grown. I always enjoy this simple combination of black and white minerals

Mineral Data
What's on the rock

Zincian Dolomite

Variety Of: 

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Hardness: 
3.5 - 4.0
Formula: 
Ca(Mg,Zn)(CO3)2
Hardness: 
0.0

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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Seller's terms and conditions

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