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Pyrolusite

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DVE97087

Pyrolusite

Ex-David J. Eicher Collection; ex-John H. Eicher Collection

Description Tabs

Description
Locality: 
Lake Valley, Sierra County, New Mexico, United States of America
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 5.7 × 5.2 cm
Description

Block of pyrolusite consisting of radiating crystals on several sides, with attached manganese oxides all around. An interesting and unusual old-time specimen, acquired by John H. Eicher in 1941-42. This is a large and heavy piece that may require an additional postage charge.

Mineral Data
What's on the rock

Pyrolusite

Formula: 
MnO2
Strunz: 
4.DB.05
Hardness: 
2.0 - 6.5
David J. Eicher

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