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Pyroxmangite

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SNJ92381

Pyroxmangite

Classic Locality

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Description
Locality: 
Sunnyside Mine, Bonita Peak, Gladstone, San Juan County, Colorado, United States of America
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 9 × 3.9 cm
Description

 This specimen of pyroxmangite is loaded with the sulfides chalcopyrite, sphalerite, and galena. Pyroxmangite at the Sunnyide is sometimes auriferous although I see no gold in this piece nor can I confirm it's presence. Pyroxmangite is similar to rhodonite and until 1976, "Sunnyside pink" was thought to be the latter and much more common mineral.

Mineral Data
What's on the rock

Pyroxmangite

Formula: 
MnSiO3
Strunz: 
9.DO.05
Hardness: 
5.5 - 6.0
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