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Ramsdellite & Romanèchite

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MEX986871

Ramsdellite & Romanèchite

Classic Locality

Description Tabs

Description
Locality: 
Mistake Mine, Sam Powell Peak, Yavapai County, Arizona, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 1.3 × 0.6 cm
Weight: 
1.00gr
Description

Well terminated ramsdellite specimen from old locality in usa.

Mineral Data
What's on the rock

Ramsdellite

Formula: 
Mn4+O2
Strunz: 
4.DB.15a
Crystal System: 
Orthorhombic
Hardness: 
3.0
Type Locality: 
Lake Valley District, Sierra Co., New Mexico, USA

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