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Fersmite

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JYJ684417

Fersmite

Description Tabs

Description
Locality: 
Frikstad #2 Pegmatite, Frikstad, Iveland, Agder, Norway
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 5 × 3.5 cm
Description

Black fersmite with microclite and brown zircon in cavities of cleavelandite. 

Mineral Data
What's on the rock

Fersmite

Formula: 
(Ca,Y)(Nb,Ta,Ti)2(O,OH)6
Strunz: 
4.DG.05
Hardness: 
4.0 - 4.5
Type Locality: 
Vein No. 37A, Buldym Lake, Vishnevye Mts (Vishnyovye; Cherry), Chelyabinsk Oblast', Southern Urals, Urals Region, Russia...