Petalite

Hardness ( Moh )

" 6 - 6.5

Crystal System

Monoclinic

Specific Gravity

2.39

Refractive Index

1.502 - 1.520

Birefringence

Family

Colour(s)

Colorless, grey, yellow, pink

Cleavage

Francture Type

Subconchoidal

Luster

Streak

Colourless

Transparency

Transparent to translucent

Formula

LiAlSi4O10

Country

Found In Afghanistan,Angola,Argentina,Australia,Brazil,Canada,China,Czech Republic,DR Congo,Egypt,Ethiopia,Finland,France,Italy,Japan,Kazakhstan,Mozambique,Myanmar,Namibia,Portugal,Russia,South Africa,Spain,Sweden,UK,Ukraine,USA,Zimbabwe