Cubic Pyrite Cluster - Specimen raw opal specimen Approximate size of 1 piece:

Approximate size of 1 piece: 75mm x 75mm x 10mmApproximate weight of 1 piece: 30g

making it ideal for display in a fossil collection

often revealing subtle banding or crystalline structure within the stone

but it is just oil residue from the machine oil being pressed on under a shrink wrap coating to keep them clean

grounding object

Cubic Pyrite Cluster - Specimen raw opal specimen Approximate size of 1 piece:Mined from: Ampliacin a Victoria Mine, Navajn, La Rioja, Spain Description: This one of a kind cubic Pyrite cluster mineral specimen from Spain features a striking cluster of sharp, metallic cubic pyrite crystals with a bright brassy gold to silver gold sheen. The specimen has strong geometric structure, with stacked and intergrown cubes, clean flat faces, sharp angular edges, and darker reflective recesses that add depth between the crystal forms.