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Calcite On Sturtite On Rhodochrosite

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PJM36890

Calcite On Sturtite On Rhodochrosite

Description Tabs

Description
Locality: 
Zinc Corporation Mine, Broken Hill, Yancowinna County, New South Wales, Australia
Size Range: 
Miniature (4.5-7 cm)
Size: 
2 × 6.4 × 4.3 cm
Description

Botyroidal rhodochrosite is completely covered with dark brown to black sturtite, this then provides a base for two generations of calcite crystals. The first generation are translucent to clear nail head style crystals, the second generation being isolated scalahedrons. A pleasing old time specimen.

Mineral Data
What's on the rock

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

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
Earthstones Australia

Seller Information

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