Chinese
Name:磷灰石
English Name:Apatite
Chemical Composition:Ca5(PO4)3(F,OH,CL)
Basic fluoro- and chloro-calcium phosphate
Crystal System:Hexagonal
Hardness:5
SG:3.16 - 3.23
RI:1.628 - 1.649 (Double Refraction
-0.002 to -0.006)
Related Chakra:Throat
Locality:Burma, Brazil, India,
Kenya, Madagascar, Norway, Sri Lanka, South Africa, USA
Colour:Transparent, pink, yellow,
green, blue, purple |