The Very Highest Quality Apatite Information... |
Apatite |
|
Colour:
Colourless (white), pink, yellow, green, blue, and violet.
Chemical Composition and Name | Ca(F,CL)Ca4(PO4)3 - A complex Calcium Phosphate |
Hardness | 5 |
Specific Gravity | 3.17 - 3.23 |
Crystalline System | Hexagonal |
Refractive Index | 1.63 to 1.64 |
Bi-refringence | 0.002 - 1.004 |
Optic Sign | Negative |
Optical Character | Uniaxial |
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