49g Spanish Pyrite Crystal Specimen Crystal *This particular opal does need

*This particular opal does need to be stored moist to keep it from crazing

Measurement: 68mm x 48mm x 37mm

We consider this to be a Miniature sized mineral specimen (MIN)

Measurements: 119mm x 118mm x 66mm

49g Spanish Pyrite Crystal Specimen Crystal *This particular opal does needBeautiful pyrite mineral specimen on the host rock from Spain. 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. 48mm x 38mm x 28mm Weight: 49. 39g FYI: When mined, these pyrite cubes typically do not stay in place on the host rock unless buried deep within the matrix. Almost all of the on matrix pyrite