Apatite is the name of a group of phosphate minerals with similar chemical compositions and physical properties.
They are an important constituent of phosphorite, a rock mined for its phosphorus content and used to make fertilizers, acids, and chemicals.
Apatite has a relatively consistent hardness and serves as the index mineral for a hardness of five in the Mohs Hardness Scale.
Sizes:
1-45*26*7mm- small defect on one edge,
2-45*22*6mm,
3-36*23*6mm- small defect on the back,
4-38*25*7mm,
5-40*22*6mm,
6-37*23*5mm,
7-38*17*7.6mm,
8-,
9-,
10-35*22*6mm,
11-30*21*6mm,
12-29*22*6.7mm,
13-30*21*5mm,
14-32*26*5mm
