#willemite
Mixed fluorescent minerals from the Beltana Mine (Puttapa Zinc Mine), Leigh Creek, North Flinders Ranges, Flinders Ranges, South Australia, Australia. Pictured under short wave ultraviolet and white light.
Esperite (yellow), willemite (green) and calcite (red) from Franklin, New Jersey shown under short wave ultraviolet and white light. Non-fluorescent minerals on the rock include franklinite (black) and some minor zincite (tiny red crystals). According to Wikipedia, “Esperite is a rare complex calcium lead zinc silicate (PbCa3Zn4(SiO4)4)… [It] has a white, greasy appearance in daylight and is much prized for its brilliant yellow green fluorescence under shortwave ultraviolet light.“
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Baratovite from the type locality of the Dara-i-Pioz Glacier (Dara-Pioz), Alai Range (Alayskiy), Tien Shan Mtn, Districts of Republican Subordination, Tajikistan under short wave ultraviolet, mid-wave ultraviolet, and white light. The baratovite fluoresces bright bluish white under short wave UV. Also incorportated in the specimen are agrellite (fluorescent pink), albite (fluorescent red), aegirine (black, non-fluorescent), and an unknown fluorescent green mineral. The likely candidates for the unknown are willemite & thorite as they are known from the location. The location is in an extremely remote and dangerous area accessible only by helicopter.
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Mexican Willemite in Smithsonite under UV (via Cran Cowan | Flickr - Photo Sharing!)
Smithsonite (Pink/Purple)
Willemite (Green)
