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Rhodochrosite & Romanèchite

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ESM630345

Rhodochrosite & Romanèchite

Description Tabs

Description
Locality: 
Lone Tree Mine, Buffalo Mountain, Humboldt County, Nevada, United States of America
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
1.8 × 8.8 × 8.5 cm
Description

Isolated botryoidal orange rhodochrosite crystals with minor baryte on black romanechite

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

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