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Simpsonite

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BCK738864

Simpsonite

Fred Pough collection
Type Locality

Description Tabs

Description
Locality: 
Alto do Giz Pegmatite, Equador, Borborema Province, Rio Grande do Norte, Brazil
Class: 
Single Crystal
Size Range: 
Thumbnail (1-3cm)
Size: 
1.3 × 0.9 × 0.7 cm
Description

You are bidding on a small thumbnail, partial crystal of rare simpsonite from the Frederick Pough collection. Comes with his original label. 

Mineral Data
What's on the rock

Simpsonite

Formula: 
Al4(Ta,Nb)3O13(OH,F)
Strunz: 
4.DC.10
Crystal System: 
Hexagonal
Hardness: 
7.0 - 7.5
Streak: 
white
Type Locality: 
Tabba Tabba pegmatite, Wallareenya Station, Port Hedland Shire, Western Australia, Australia

Seller Information

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