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Green semi lustrous translucent crystal groupings of hydroxylapatite measuring to 2.2 cm in size across the top of a colorless crystallized quartz matrix. This is in really good condition. Very fine for the species, the crystals are brightly fluorescent under longwave ultraviolet light.
A collector's guide to Sapo Mine, Brazil: its geology, mining history and notable minerals, illustrated with the 219 specimens documented from this locality on EarthWonders.
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