664g Complex Pyrite Cube Cluster on Marl diana maria The crystals surface was naturally

The crystals surface was naturally etched within the earth

well-formed shape with a vibrant color that really stands out against the darker host rock

9mm x 35mm x 23

This beautiful mineral specimen has a cluster of pink tanzanite with a green tremolite crystal growing through it

14 carats and measures 18mm x 16mm x 11mm

664g Complex Pyrite Cube Cluster on Marl diana maria The crystals surface was naturallyBig and beautiful aesthetic pyrite cube Specimen from Spain. The pyrite cubes sit within the natural host rock and display very nicely. This locality's limestone (marl) 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. 95mm x 85mm x 68mm Weight: 664 grams FYI: When mined, these pyrite cubes typically do not stay in place on the host