God for us to design products, we are the porters of nature!

Home | Mineral Specimens | Gem materials | Mineral Datum | Rock | News | Photos | Contact Us
Welcome, please login, or click here to register!
Dominant species
+More..
Sanidine
Chemical
Formula
(K,Na)(Si,Al)4O8
Species
Silicates
Crystal
System
Monoclinic
Mohs
Scale
6
Specific
Gravity
2.52
Color
Colorless to white
Streak
White
Luster
Vitreous
Refractive
Index
n = 1.518 - 1.525 n = 1.523 - 1.530 n = 1.525 - 1.531
Diaphaneity
Transparent, Translucent
Cleavage
Perfect Perfect, distinct
Fracture
Irregular/Uneven, Conchoidal
Crystal Habit:Tabular crystals, may be acicular
Geological Setting:Acidic volcanic rocks
Sanidine3932
Sanidine3932
Sanidine3930
Sanidine3930
Sanidine3924
Sanidine3924
Sanidine3921
Sanidine3921
Sanidine3919
Sanidine3919
Sanidine3913
Sanidine3913
Sanidine3910
Sanidine3910
Sanidine3909
Sanidine3909
Sanidine3905
Sanidine3905
Sanidine3903
Sanidine3903
Sanidine3898
Sanidine3898
Sanidine3896
Sanidine3896
Sanidine3893
Sanidine3893
Sanidine3890
Sanidine3890
Sanidine3888
Sanidine3888
Sanidine3884
Sanidine3884
Sanidine3880
Sanidine3880