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Ramsdellite

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JYJ77752

Ramsdellite

ex. R. Feigl
Type Locality

Description Tabs

Description
Locality: 
Sierra County, New Mexico, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
1.4 × 2.4 × 1.6 cm
Largest Crystal: 
1.00cm
Description

Black semi-lustrous crystals of ramsdellite from the type locality. Ex R. Feigl collection.

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