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Romanèchite

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PDM914832

Romanèchite

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Description
Locality: 
Lordsburg, Hildago County, New Mexico, United States of America
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.3 × 4.2 × 2.6 cm
Weight: 
81.00gr
Description

Black botryoidal aggregate of layered romanèchite with some fibrous crystals a top, probably pyrolusite, associated to nice isolated, light blue, spheroidal chalcedony.

Ex Roger Gnat collection.

Combine specimens to reduce shipping costs!.

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

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