Albite

Physical Properties

Color white
form/Habit tabular
Lusture vitreous
Streak white
Hardness 6
Cleavage 3 sets with about 90 degrees intersection
Fracture uneven
Specific Gravity 2.62 (low)
Chemical Composition NaAlSi3O8
Crystal System triclinic
Diagnostic Properties hardness of 6, 3 sets of cleavage with about 90 degree intersection

Remarks

Gallery