Description
Formula: (Cs,Na)2(Al2Si4O12) · 2H2O
Series: Analcim-pollucite series
System: Isometric
Locality: Paprok (Papruk mine), Kamdesh, Nuristan Province, Afghanistan
Habit: Euhedral crystal
Color: Transparent to pale white
Luster: Dim silky luster or vitreous on cleavages
Weight: 354 g
Dimensions: 7.9 x 8.2 x 4.5 cm