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Potassic-fluoro-hastingsite

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SHS180402

Description Tabs

Description
Locality: 
Arden, Orange County, New York, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2 × 1.4 cm
Description

Nice dark green fluoropotassichastingsite in matrix

Mineral Data
What's on the rock

Potassic-fluoro-hastingsite

Formula: 
{K}{Ca2}{Fe2+4Fe3+}(Al2Si6O22)(F,OH)2
Strunz: 
9.DE.15
Hardness: 
6.0 - 0.0
Type Locality: 
Greenwood mine (Patterson mine), Town of Tuxedo, Orange Co., New York, USA