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Calcite from the Buckwheat Dump at the Franklin Mineral Museum, Franklin, NJ.  Pictured under long wCalcite from the Buckwheat Dump at the Franklin Mineral Museum, Franklin, NJ.  Pictured under long wCalcite from the Buckwheat Dump at the Franklin Mineral Museum, Franklin, NJ.  Pictured under long wCalcite from the Buckwheat Dump at the Franklin Mineral Museum, Franklin, NJ.  Pictured under long w

Calcite from the Buckwheat Dump at the Franklin Mineral Museum, Franklin, NJ.  Pictured under long wave, mid-wave, and short wave ultraviolet, and white light.


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#calcite #franklin nj #long wave ultraviolet #long wave uv #mid-wave ultraviolet #mid-wave uv #short wave ultraviolet #short wave uv #mineral #minerals #crystal #crystals #geology #fluorescent #fluorescent mineral #fluorescent minerals #ultraviolet #black light rocks #cool rocks #self-collected 
Cool Rocks@Cool Rocks
Wed, 29 Sep 2021 08:06:04
Esperite (yellow), willemite (green) and calcite (red) from Franklin, New Jersey shown under short wEsperite (yellow), willemite (green) and calcite (red) from Franklin, New Jersey shown under short wEsperite (yellow), willemite (green) and calcite (red) from Franklin, New Jersey shown under short wEsperite (yellow), willemite (green) and calcite (red) from Franklin, New Jersey shown under short w

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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#esperite #willemite #calcite #crystal #crystals #mineral #minerals #fluorescent #fluourescent minerals #franklin nj #short wave #short wave ultraviolet #ultraviolet #cool rocks 
Cool Rocks@Cool Rocks
Fri, 31 May 2019 16:06:19
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