Seensturpine 1.21 ct Cushion Cut 7.19 x 6.01mm max1391

Steestrupine
1.21 ct
Trillion Cut
9.19 x 6.01  mm
Rare
Kvanefield,
Ilimanssaq,
Greenland.
This rare black mineral is also slight radioactive due to the presence of Thorium.
max1391