Analcime

“Named in 1797 by the french mineraloguist Rene Just Haüy from the Greek ανάλκιμος (“analkimos”), “weak” or “without force”, alluding to weak electrostatic charge developed when the mineral is heated or rubbed” (Mindat). The specimen features small pseudo cubic crystals en masse.

Locality: Foote Lithium Company Mine, Kings Mountain, Cleveland County, North Carolina

Composition: hydrated sodium aluminum silicate