Yellowish Green, Brownish Green, Green, Violet, Pale Light Blue, Violet-Blue, Blue, Pink, Purple, Yellow, Orange, Brown, Colorless
Fluorapatite, Asparagus Stone, Moroxite
refractive index, birefringence, optic character, pleochroism and possibly spectrum
May show pseudo-biaxial optic figure. Avoid heat and ultrasonic cleaners, and chemicals. Might show abrasions due to low moh's hardness. The name can be translated from Greek as "I am misleading". Most gemstones are Ca5(PO4)3F Calcium Fluroro Phosphate. The light green variety sometimes called asparagus stone. Moroxite is the blue-green variety.