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Allanite With Albite

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KRM538506

Allanite With Albite

Description Tabs

Description
Locality: 
Thor Ghar, Zagi Mountain, Federally Administered Tribal Areas, Pakistan
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
3 × 7.5 × 3.5 cm
Description

A new recent finds! A superb large well doubly terminated lustrous allanite crystals hosts to albite matrix , this specimen has been analyzed  , further analysis is coming soon to findout  the dominant REE.

This is the lagest specimen so far for these new finds , 

 

Mineral Data
What's on the rock

Allanite

Synonym Of: 

Allanite-(Ce)

Formula: 
{CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Strunz: 
9.BG.05b
Hardness: 
5.5 - 6.0

Allanite-(La)

Formula: 
{CaLa}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Strunz: 
9.BG.05b
Hardness: 
6.0

Allanite-(Y)

Formula: 
{CaY}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Strunz: 
9.BG.05b
Hardness: 
5.5 - 6.5

Albite

Formula: 
NaAlSi3O8
Strunz: 
9.FA.35
Crystal System: 
Triclinic
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Finnbo (Finbo), Falun, Dalarna, Sweden

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