- Thortveitite (twinned)
- Thumbnail, 1.0 x 0.7 x 0.7 cm
- Undeland, Evje og Hornnes, Aust-Agder, Norway
- Ex. Kay Robertson
A rare scandium-containing species, seldom seen in complete crystals. The crystal faces are super-sharp, lustrous, and the color is a subtle mix of black and red, which is far more attractive than the bland specimens that you normally see. This is a choice thumbnail.