Uneven, Yellow, White, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Distinct on [001]
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal