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Rhodochrosite & Manganoan Calcite

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PJM147103

Rhodochrosite & Manganoan Calcite

Description Tabs

Description
Locality: 
Zinc Corporation Mine, Broken Hill, Yancowinna County, New South Wales, Australia
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1.3 × 1.2 cm
Description

Pale opaque pink sprays of what is refered to locally as 'kutnohorite' but analysis has shown to be an intergrown of rhodochrosite and manganocalcite, either way an attractive thumbnail.

Mineral Data
What's on the rock

Rhodochrosite

Formula: 
MnCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Cavnic Mine (Kapnikbánya), Cavnic (Kapnic; Kapnik), Maramureș Co., Romania

Manganoan Calcite

Variety Of: 

Calcite

Formula: 
CaCO3
Strunz: 
5.AB.05
Hardness: 
3.0
Formula: 
(Ca,Mn)CO3
Hardness: 
0.0
Earthstones Australia

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