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Montebrasite & Quartz

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SER681693

Montebrasite & Quartz

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: 
3.7 × 2.1 × 1.8 cm
Largest Crystal: 
3.00cm
Description

A very large crystal : a twinned group of colourless montegrasite crystals with quartz

Mineral Data
What's on the rock

Montebrasite

Formula: 
LiAl(PO4)(OH)
Strunz: 
8.BB.05
Hardness: 
5.5 - 6.0
Streak: 
White
Type Locality: 
Montebras Mines, Montebras, Soumans, Creuse, Limousin, France

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White