Opal-A (Var: Opal-AN), Calcite
Specimen ID: G75-AHK
7cm x 5.5cm x 4.5cm
Photo added to mindat.org
“White calcite coating botryoidal opal-AN. Former Don Miller collection. ”
Harold Moritz - 7th July 2013
Photo added to mindat.org
“Botryoidal opal-AN fluorescing bright green under SW UV light. Associated calcite is not fluorescent, the color refracts through and illuminates it. Former Don Miller collection. ”
Harold Moritz - 7th July 2013
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