Fluorapatite
Boqueirão pegmatite, Parelhas, Rio Grande do Norte, Brazil
An impressive, sharp, highly lustrous, textbook hexagonal fluorapatite crystal from Brazil. The crystal appears dark blue in normal light, but bright light and backlighting reveal zones and veinlets of glorious "Paraiba blue" translucent gemminess. These were originally marketed as being from Paraiba State, Brazil, but this uncommon exciting ...
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