Interesting Pyrite Crystal Specimen on Host Rock fl Measurement: 38mm x 24mm x

Measurement: 38mm x 24mm x 13mm

Measurements: 238mm x 122mm x 58mm

this particular source of hyalite opal will actually fluoresce in daylight

41mm x 32mm x 31mm

Interesting Pyrite Crystal Specimen on Host Rock fl Measurement: 38mm x 24mm xBeautiful 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. 44mm x 41mm x 34mm Weight: 74. 5g 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