Labradorite
Hardness ( Moh )
" 6 - 6.5
Crystal System
TriclinicSpecific Gravity
2.69
Refractive Index
1.560 - 1.572
Birefringence
Family
Feldspar
Colour(s)
Gray, brown, greenish, blue, yellow, colorless
Cleavage
Francture Type
Uneven to conchoidal
Luster
Streak
White
Transparency
Transparent to translucent
Formula
(Ca,Na)(Al,Si)4O8
Country
Found In Africa,Algeria,Angola,Antarctica,Argentina,Armenia,Australia,Austria,Belgium,Brazil,Burkina Faso,Cameroon,Canada,Cape Verde,Chad,Chile,China,Cook Islands,Costa Rica,Cuba,Czech Republic,DR Congo,Egypt,El Salvador,Ethiopia,Finland,France,Germany,Greece,Greenland,Hungary,Iceland,India,Indonesia,Iran,Italy,Japan,Kenya,Kyrgyzstan,Libya,Madagascar,Mexico,Middle East,Mongolia,Morocco,Mozambique,Myanmar,Namibia,Nazca Plate,New Zealand,Niger,Norway,Pacific Ocean,Papua New Guinea,Paraguay,Peru,Poland,Portugal,Republic of the Congo,Russia,Saint Helena， Ascension and Tristan da Cunha,Saint Lucia,Samoa,Saudi Arabia,Slovakia,South Korea,Spain,Sri Lanka,Sweden,Taiwan,Tajikistan,Tanzania,Thailand,Tonga,Uganda,UK,Ukraine,USA