Calcite & Willemite in UV Light, Buckwheat Dump, Franklin, NJ
Calcite crystals are trigonal-rhombohedral, though actual calcite rhombohedra are rare as natural crystals. Calcite is transparent to opaque and may occasionally show phosphorescence or fluorescence (red). Willemite is a zinc silicate mineral (Zn2SiO4) and a minor ore of zinc. It is highly fluorescent (green) under shortwave ultraviolet light. It occurs in many places, but is best known from Arizona and the zinc, iron, manganese deposits at Franklin and Sterling Hill Mines in New Jersey.
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Photo credit: © Phil Degginger / Alamy / Afripics
License: Licensed
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Keywords: buckwheat, calcite, collecting, crystalline, display, dump, fluorescence, fluorescent, fluorescing, franklin, green, hunting, identification, lamps, light, lighting, longwave, mineral, minerals, mines, nj, phosphorescence, red, rocks, shortwave, shows, specimen, specimens, ultra, ultra-violet, ultraviolet, uv, violet, white, willemite
