Clinohedrite
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Clinohedrite is a rare silicate mineral. Its chemical composition is a hydrous calcium-zinc silicate; CaZn·H2O. It crystallizes in the monoclinic system and typically occurs as veinlets and fracture c
Clinohedrite coating hardystonite, franklinite with willemite reaction rims. Franklin, New Jersey. Orange fluorescence under UV.
Willemite
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Willemite is a zinc silicate mineral and a minor ore of zinc. It is highly fluorescent under shortwave ultraviolet light. It occurs in a variety of colors in daylight, in fibrous masses and apple-gree
Willemite from Namibia
Willemite variety troostite from New Jersey
In natural and in ultraviolet light