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Brookite Quartz Albite & Monazite

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HCH50022

Brookite Quartz Albite & Monazite

Description Tabs

Description
Locality: 
Maderanertal, Uri, Switzerland
Size Range: 
Cabinet (10-18 cm)
Size: 
4 × 10 × 5.5 cm
Largest Crystal: 
1.00cm
Description

Rich parageneses from an alpine cleft: There is thin brown tabulare brookite crystal (partly with black phantoms) up to 3 mm large with albite and clear quartz crystal up to 1 cm on matrix.

Some small orangebrown monazite crystal up to 1 mm on this speciem.

Mineral Data
What's on the rock

Brookite

Formula: 
TiO2
Strunz: 
4.DD.10
Crystal System: 
Orthorhombic
Hardness: 
5.5 - 6.0
Type Locality: 
Twll Maen Grisial, Fron Olau, Prenteg, Gwynedd (Caernarvonshire), Wales, UK

Quartz

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

Albite

Formula: 
NaAlSi3O8
Strunz: 
9.FA.35
Crystal System: 
Triclinic
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Finnbo (Finbo), Falun, Dalarna, Sweden

Monazite

Group Parent: 
Monazite Group

Seller Information

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