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Romanèchite On Dolomite

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PJM151011

Romanèchite On Dolomite

Description Tabs

Description
Locality: 
Iron Baron Mine, Middleback Range, Eyre Peninsula, South Australia, Australia
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.2 × 3 × 2.1 cm
Description

Collected in 1982 by the seller, a dolomite nodule from the schist overburden at the Iron Baron Mine. This nodule has a hollow centre that is lined with pink to brown dolomite crystals which are in  turn host to lustrous black sprays of romanechite 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.