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Holmquistite On Quartz

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SHS30072

Holmquistite On Quartz

Description Tabs

Description
Locality: 
Nazareno, Minas Gerais, Brazil
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 1.2 × 1.3 cm
Description

Gray hair like holmquistite crystals on quartz

Mineral Data
What's on the rock

Holmquistite

Formula: 
☐{Li2}{Mg3Al2}(Si8O22)(OH)2
Strunz: 
9.DD.05
Hardness: 
5.5
Type Locality: 
Utö Mines, Utö, Södermanland, Sweden

Quartz

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