FLUORAPATITE, Ca5(PO4)3F - Calcium Phosphate Fluoride. Fine gemmy Fluorapatite with clear terminations grading to Yellow/Green interior of stacked crystals. Largest is 1.0 cm.(3/8") long. From the mines at Conselheiro Pena, Minas Gerais,Brazil. Brazilian specimen is 2.5 cm (1-1/8") high by 1 cm (3/8") wide to 1 cm (3/8") deep.Neat killer thumbnail,No Damage. Calcium fluorine/chlorine/hydroxyl phosphate.
