Orthoclase
Hardness ( Moh )
" 6
Crystal System
MonoclinicSpecific Gravity
2.6
Refractive Index
1.518 - 1.539
Birefringence
Family
Feldspar
Colour(s)
Colorless, greenish, greyish yellow, white, pink
Cleavage
Francture Type
Uneven
Luster
Streak
White
Transparency
Transparent to translucent
Formula
KAlSi3O8
Country
Found In Afghanistan,Algeria,Angola,Antarctica,Argentina,Armenia,Asia,Atlantic Ocean,Australia,Austria,Azerbaijan,Bailiwick of Guernsey,Belgium,Bolivia,Bosnia and Herzegovina,Botswana,Brazil,Bulgaria,Cameroon,Canada,Cape Verde,Chile,China,Cuba,Czech Republic,DR Congo,Ecuador,Egypt,Estonia,Ethiopia,Europe,Fiji,Finland,France,Germany,Greece,Greenland,Guinea,Hungary,Iceland,India,Indonesia,Iran,Iraq,Ireland,Italy,Japan,Jersey,Kazakhstan,Kenya,Kyrgyzstan,Madagascar,Malawi,Malaysia,Mali,Mauritania,Mexico,Middle East,Mongolia,Morocco,Mozambique,Myanmar,Namibia,Nepal,New Zealand,Niger,Nigeria,North Korea,North Macedonia,Northwest Africa Meteorites,Norway,Oman,Pacific Ocean,Pakistan,Papua New Guinea,Paraguay,Peru,Philippines,Poland,Portugal,Romania,Russia,Rwanda,Saudi Arabia,Slovakia,Slovenia,Somalia,South Africa,South Korea,Spain,Sri Lanka,Sweden,Switzerland,Taiwan,Tajikistan,Tanzania,Thailand,Turkey,UK,Ukraine,Uruguay,USA,Uzbekistan,Vietnam,Zimbabwe,Venus