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Romanèchite On Dolomite

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PJM127877

Romanèchite On Dolomite

Description Tabs

Description
Locality: 
Iron Baron Mine, Middleback Range, Eyre Peninsula, South Australia, Australia
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.2 × 4.2 × 2.9 cm
Description

Black satin lustered romanechite tuffs with some minor pyrolusite over a cavity lining of dolomite crystals

Mineral Data
What's on the rock

Romanèchite

Formula: 
(Ba,H2O)2Mn5O10
Strunz: 
4.DK.10
Hardness: 
5.0 - 6.0
Type Locality: 
Manganese deposit, Romanèche-Thorens, La Chapelle-de-Guinchay, Saône-et-Loire, Burgundy, France

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
3.5 - 4.0
Streak: 
White
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.