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Quartz With Graphite Inclusions

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SLN200733

Quartz With Graphite Inclusions

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Description
Locality: 
Conselheiro Lafaiete, Minas Gerais, Brazil
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2.2 × 4.4 × 2.6 cm
Description

Nice specimen from Minas Gerais of quartz in big crystals with graphite inclusions

Mineral Data
What's on the rock

Quartz

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

Graphite

Formula: 
C
Strunz: 
1.CB.05a
Crystal System: 
Hexagonal
Hardness: 
1.0 - 2.0

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