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Goyazite & Brazilianite

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SER745860

Goyazite & Brazilianite

Description Tabs

Description
Locality: 
Telírio Claim, Linópolis, Divino das Laranjeiras, Minas Gerais, Brazil
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 1.6 × 1.6 cm
Description

a little amount of albite matrix hosts a wonderful gem crystal of brazilianite and a tiny, dark, pseudocubic crystal of goyazite

Mineral Data
What's on the rock

Goyazite

Formula: 
SrAl3(PO4)2(OH)5·H2O
Strunz: 
8.BL.10
Crystal System: 
Hexagonal
Hardness: 
4.5 - 5.0
Type Locality: 
Diamantina, Jequitinhonha valley, Minas Gerais, Brazil

Brazilianite

Formula: 
NaAl3(PO4)2(OH)4
Strunz: 
8.BK.05
Crystal System: 
Monoclinic
Hardness: 
5.5
Streak: 
White
Type Locality: 
Córrego Frio mine, Linópolis, Divino das Laranjeiras, Doce valley, Minas Gerais, Brazil
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