Description
Formula: KAlSi3O8
System: Monoclic
Locality: Lukmanierpass (1915 m), Alps of Switzerland, Graubunden and Ticino Border, Switzerland
Habit: Euhedral crystals
Color: Transparent, but with chlorite coating
Luster: Vitreous luster
Weight: 442 g
Dimensions: 8.3 x 9.4 x 6.5 cm
