FLUOR-APATITE, Ca5(PO4)3F - Calcium Phosphate Fluoride. Counted at least 9 crystals of Fluor-Apatite on this specimen. From Golconda mine, Minas Gerais, Brazil. Largest crystal face is 5mm across. Specimen is 1/2"w x 1/2"d x 3/4"high.