is a Potassium Sodium Lithium Iron Manganese Aluminum Silicate with formula KNa2Li3(Fe, Mn, Al)2Si12O30 and hardness of 6-6.5.
This mineral is usually found massive and opaque,rarely translucent.
From Wessel Mine, northern Cape Province, South Africa.
Polished on both side.
Weight: 4.22 ct.