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Potassic-magnesio-fluoro-arfvedsonite

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HCH1019706

Potassic-magnesio-fluoro-arfvedsonite

Description Tabs

Description
Locality: 
Mountain Pass Mine, Mountain Pass, San Bernardino County, California, United States of America
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.5 × 1.5 cm
Description

Darkgrey coloured fibrious aggregates.

Ex D. Nickolay collection

Mineral Data
What's on the rock

Potassic-magnesio-fluoro-arfvedsonite

Formula: 
[(K,Na)][Na2][Mg4Fe3+][Si8O22][(F,OH)2]
Strunz: 
9.DE.25
Hardness: 
0.0
Type Locality: 
Highway 366 roadcut, Val-des-Monts, Les Collines-de-l'Outaouais RCM, Outaouais, Québec, Canada...

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