Epitaxial Metallic Sphalerite, with Euhedral Gemmy Scalenohedral Amber Calcite Crystals, from the Elmwood deals Mine, Tennessee

deals This matrix-free specimen will appear with a matte luster from one direction, and then come alive with shiny metallic luster when your viewpoint is slightly changed! The flashing metallic sphalerite has numerous small double terminated gemmy calcite crystals on one side. Crazy piece with highly reflective surfaces.

Measures 3.2 x 2.2 x 1 inches.