Cubic Pyrite Cluster - Specimen palm stone this Small Black Bristle Brush

this Small Black Bristle Brush Stiff (Nylon) is my preferred choice for polishing

specifically in the Devonian period

often with sharp

Chemical Composition: FeO(OH)·nH₂O

and a sense of openness

Cubic Pyrite Cluster - Specimen palm stone this Small Black Bristle BrushMined 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.