Unique Hackmanite Cabochon. This is one of the very few minerals that is tenebrescence (changes color when exposed to sunlight), as well as UV reflective.
Measures:
Length: 27.7mm
Width: 20.3mm
Depth: 6mm
Unique Hackmanite Cabochon. This is one of the very few minerals that is tenebrescence (changes color when exposed to sunlight), as well as UV reflective.
Measures:
Length: 27.7mm
Width: 20.3mm
Depth: 6mm
