Carnelian

Hardness ( Moh )

" 6.5 - 7

Crystal System

Trigonal

Specific Gravity

2.59 - 2.61

Refractive Index

1.535 - 1.539

Birefringence

Family

Quartz

Colour(s)

Firebrick, Brownish-red

Cleavage

Francture Type

, uneven

Luster

Streak

White

Transparency

Translucent

Formula

SiO2

Country

Found In Australia,Austria,Botswana,Brazil,Bulgaria,Canada,China,Czech Republic,Egypt,France,Germany,Greece,Hungary,India,Indonesia,Italy,Japan,Luxembourg,Madagascar,Mozambique,Namibia,New Zealand,Peru,Poland,Portugal,Romania,Russia,Slovakia,South Africa,Sri Lanka,Switzerland,UK,Ukraine,Uruguay,USA