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Columbite-(Fe) With Mica & Triplite

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KRM660386

Columbite-(Fe) With Mica & Triplite

Description Tabs

Description
Locality: 
Shigar District, Gilgit-Baltistan, Pakistan
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
2 × 5 × 4.5 cm
Description

A superb specimen of well terminated lustrous columbite crystals incombination with triplite hosts to mica matrix , very unusual combination , a really good specimen inperson.

Mineral Data
What's on the rock

Columbite-(Fe)

Formula: 
FeNb2O6
Strunz: 
4.DB.35
Hardness: 
6.0
Type Locality: 
Green's Well pegmatite (Green's Tank), Pilgangoora, Wallareenya Station, Port Hedland Shire, Western Australia, Australia...

Mica

Group Parent: 
Mica Group

Triplite

Formula: 
(Mn2+,Fe2+)2(PO4)(F,OH)
Strunz: 
8.BB.10
Hardness: 
5.0 - 5.5
Type Locality: 
Chanteloube, Razès, Haute-Vienne, Limousin, France

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