71g Triple Pyrite Crystal Specimen fl Two large crystals sit in

Two large crystals sit in the center of this cluster

and feldspar

This piece amazed me with the hundreds of tiny quartz crystals that coated the piece

Just under 2 kilos

71g Triple Pyrite Crystal Specimen fl Two large crystals sit inBeautiful 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. 39mm x 38mm x 38mm Weight: 71. 41g 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