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Fluoro-richterite

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Watches:
ESM618359

Fluoro-richterite

Description Tabs

Description
Locality: 
Wilberforce, Haliburton County, Ontario, Canada
Class: 
Single Crystal
Size Range: 
Miniature (4.5-7 cm)
Size: 
2 × 5.3 × 3 cm
Description

Sharp dark green-brown doubly terminated fluoro-richterite crystal

Mineral Data
What's on the rock

Fluoro-richterite

Formula: 
{Na}{CaNa}{Mg5}(Si8O22)(F,OH)2
Strunz: 
9.DE.20
Crystal System: 
Monoclinic
Hardness: 
5.0 - 6.0
Streak: 
white
Type Locality: 
Pit No. 97 (N97 Mine), Ilmen Natural Reserve, Ilmen Mts, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia...