Index No: NBM061220; Collected By: ; Sample Type: hand sample; Notes: Select, high-grade sample of sulfide minerals from dump; galena, sphalerite and pyrite. Galena and sphalerite are as crystalline masses of pure mineral, some sphalerite is intergrown in the galena. Sphalerite is pale amber, but has a black oxidized surface. Red-orange mineral occupies corroded fracture surfaces within cubes of galena, possibly mimetite or wulfenite. Some vuggy silica rock included in sample. No enargite found.