826g Pyrite Cube Specimen on Matrix bolivia This pretty unheated raw tanzanite

This pretty unheated raw tanzanite crystal is a unique purple & bluish color that stands our from many of the other crystrals

Note: Estimating yield from a piece of rough is not an exact science

This mineral specimen is available today

Measurement: 29mm x 26mm x 14mm

5mm    Weight: 12

826g Pyrite Cube Specimen on Matrix bolivia This pretty unheated raw tanzaniteBig and beautiful aesthetic pyrite cube Specimen from Spain. The pyrite cubes sit on top of the natural host rock and display very nicely. This locality's limestone matrix can dissolve in water, so the specimens matrix needs to stay dry for these pyrite cubes to stay in place. Locality: Navajn, La Rioja, Spain Measurement: Approx. 121mm x 84mm x 76mm Weight: 826 grams FYI: When mined, these pyrite cubes typically do not stay in place on the host rock