Sphalerite - 6.96 ct - Instituto Gemólogico Español (IGE) #bright luster #collector gem #crystalline mineral #gemstone #high dispersion #mineral specimen #soft gemstone #sphalerite #uncommon gemstone #zinc ore
Sphalerite Crystals on matrix - Height: 15 cm - Width: 9 cm- 1.2 kg #crystal clusters #economic minerals #hydrothermal veins #mineral specimens #sphalerite #sulfide minerals #tetrahedral crystals #zinc ore
