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Goyazite Beryllonite & Fluorapatite

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SER537431

Goyazite Beryllonite & Fluorapatite

Rare Mineral

Description Tabs

Description
Locality: 
Telírio Claim, Linópolis, Divino das Laranjeiras, Minas Gerais, Brazil
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 1.1 × 1 cm
Description

Some colourless, pseudocubic goyazite crystals on fluorapatite with a colourless crystal of beryllonite

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

Beryllonite

Formula: 
NaBePO4
Strunz: 
8.AA.10
Crystal System: 
Monoclinic
Hardness: 
5.5 - 6.0
Streak: 
White
Type Locality: 
Joe McKeen Mountain locality (McKean Farm), Stoneham, Oxford Co., Maine, USA

Fluorapatite

Formula: 
Ca2Ca3(PO4)3F
Strunz: 
8.BN.05
Crystal System: 
Hexagonal
Hardness: 
5.0
Streak: 
White
Type Locality: 
Sauberg Mine, Ehrenfriedersdorf, Erzgebirge, Saxony, Germany