Natural Pyrite Mineral Specimen, 338 Grams Rock Stone Lapidary SpecimenCol. Christie Hatman Auctioneers4.4(472)$82 days Left
Large Black Tourmaline Specimen with Matrix ROCK STONE LAPIDARY SPECIMENCol. Christie Hatman Auctioneers4.4(472)$102 days Left
Cubic Pyrite, Sphalerite, Apatite and Fluorescent Calcite FormationFossils & Gemstones of Houston4.4(24)$450Feb 22, 2026