"Transvaal Jade" (Grossular) on Chromite. South Africa.
Rustenburg region, South Africa. 60mm x 55mm x 30mm.
The green colour is due to the presence of chromium, the little black specs are indeed chromium as is the black matrix at the base. These are highly prized locally as they are excellent lapidary material that offer a high polish and are really attractive when worked properly. Packed shipping weight +/- 260gr.