Aventurine

Hardness ( Moh )

" 7

Crystal System

Hexagonal

Specific Gravity

2.62 - 2.65

Refractive Index

1.54 - 1.55

Birefringence

Family

Quartz

Colour(s)

Green, Blue, Brown, Yellow, Grey, Orange

Cleavage

Francture Type

Luster

Streak

White

Transparency

Opaque

Formula

SiO2

Country

Found In Austria VM5407:5 Brazil VM5407:5 Canada VM5407:5 China VM5407:5 Czech Republic VM5407:5 Germany VM5407:5 India VM5407:5 Japan VM5407:5 Slovakia VM5407:5 South Africa VM5407:5 USA