NG67AM5: Polycrystalline growth of complex Sphalerite crystals with curvatures and with the smooth forms of the tetrahedron. The crystals, between transparent and translucent, are very lustrous, with a very dense, deep and uniform caramel color. The specimen comes from the Ignacio Gaspar collection (number BLD-2), whose collection card we will send to the buyer.
Áliva Mine (Las Mánforas Mine), Áliva mining area, Picos de Europa massif, Camaleño, Comarca Liébana, Cantabria  Spain

Specimen size: 6.1 × 4.5 × 2.5 cm = 2.40” × 1.77” × 0.98”