Exceptional specimen (only small pieces usually come out) that measures ± 8 x 8.5 cm. Hoalite is presented in very transparent mamelonar aggregates with excellent shine. They stand out for their green to yellowish fluorescence that is clearly visible in sunlight. They present activity under fluorescent light and, of course, under the light of a long-wave (very intense) and short-wave ultraviolet lamp.
Zacatecas, mexico
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