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Romanèchite On Dolomite & Quartz

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PJM78313

Romanèchite On Dolomite & Quartz

Ex J & S Mommers Collection

Description Tabs

Description
Locality: 
Iron Duke Mine, Middleback Range, Eyre Peninsula, South Australia, Australia
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 2.8 × 2.9 cm
Description

Small black tuffed balls of romanechite crystals on crystalline dolomite and a few fine barite crystals. Collected by seller Easter 1983

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

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White
Earthstones Australia

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

All goods must be paid for prior to shipping, all bids are binding.