Ferro Pargasite in Green Zoisite
ゾイサイトのブラック パルガサイト
4.85 ct
Octagon Cut
11.80 9.00 x 6.10 mm
Tanzania
max9428

Ferro-pargasite Is a black pargasite with formula {Na}{Ca2}{Fe2+4Al}(Al2Si6O22)(OH)2 and hardness of 5-6.