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Miguelromeroite

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JYJ615483

Miguelromeroite

Description Tabs

Description
Locality: 
Veta Negra Mine, Pampa Larga, Tierra Amarilla, Copiapó Province, Atacama Region, Chile
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 1 × 0.8 cm
Description

Rare pinkish miguelromeroite on matrix from the type locality, previously described as villyaellenite, but Ca being replaced by Mn. 

Reference: 

Kampf, A. R. (2009). Miguelromeroite, the Mn analogue of sainfeldite, and redefinition of villyaellenite as an ordered intermediate in the sainfeldite-miguelromeroite series. American Mineralogist, 94(11-12), 1535-1540.

 

Mineral Data
What's on the rock

Miguelromeroite

Formula: 
MnMn2Mn2(AsO4)2(HAsO4)2·4H2O
Strunz: 
8.CB.10
Hardness: 
0.0
Type Locality: 
Ojuela Mine, Mapimí, Mun. de Mapimí, Durango, Mexico
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