Leucite
Hardness ( Moh )
" 5.5 - 6
Crystal System
TetragonalSpecific Gravity
2.47
Refractive Index
1.504 - 1.510
Birefringence
Colour(s)
White,grey
Cleavage
Francture Type
Conchoidal
Luster
Streak
White
Transparency
Transparent to translucent
Formula
K[AlSi2O6]
Country
Found In Afghanistan,Africa,Antarctica,Argentina,Armenia,Australia,Austria,Azerbaijan,Bangladesh,Brazil,Bulgaria,Cameroon,Canada,Cape Verde,China,Comoros,Czech Republic,DR Congo,Ethiopia,France,Georgia,Germany,Greenland,Hungary,India,Indonesia,Iran,Italy,Ivory Coast,Japan,Kazakhstan,Kiribati,Kosovo,Libya,Madagascar,Malawi,Malaysia,Mexico,Mongolia,Montenegro,Morocco,Namibia,North Korea,North Macedonia,Norway,Pacific Ocean,Papua New Guinea,Paraguay,Poland,Romania,Russia,Saint Helena， Ascension and Tristan da Cunha,Serbia,Slovakia,Solomon Islands,South Africa,South Korea,Spain,Sweden,Switzerland,Taiwan,Tajikistan,Tanzania,Turkey,UK,United States Minor Outlying Islands,USA,Vietnam