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Bromian Chlorargyrite On Coronadite

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PJM80714

Bromian Chlorargyrite On Coronadite

Ex J & S Mommers Collection

Description Tabs

Description
Locality: 
Proprietary Mine, Broken Hill, New South Wales, Australia
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 2.5 × 1.8 cm
Description

A bright yellowish green spongy mass of bromian chlorargyrite on sharply contrasting coronadite. This specimen whilst have been collected some 60 odd years ago, still has excellect colour as it has been protected from excessive light

Mineral Data
What's on the rock

Bromian Chlorargyrite

Variety Of: 

Chlorargyrite

Formula: 
AgCl
Strunz: 
3.AA.15
Hardness: 
1.5 - 2.5

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

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