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Epistolite

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SHS54089

Epistolite

Description Tabs

Description
Locality: 
Kvanefjeld Uranium Deposit, Kvanefjeld, Ilímaussaq, Narsaq, Kujalleq, Kujalleq, Greenland
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.2 × 1.3 cm
Description

A specimen of  epistolite crystals  in matrix.

Mineral Data
What's on the rock

Epistolite

Formula: 
Na2(Nb,Ti)2(Si2O7)O2·nH2O
Strunz: 
9.BE.30
Hardness: 
2.5 - 3.0
Type Locality: 
Nunarssuatsiaq, Tunulliarfik Fjord (Tunugdliarfik), Ilímaussaq complex, Narsaq, Kujalleq, Greenland