1, apatite is a gem, it is a kind of phosphate minerals; Phosphophyllite is a rare hydrated zinc phosphate mineral. The crystal structure is different. Phosphophyllite is monoclinic while apatite is hexagonal.
2. The nature of cleavage is different. Apatite cleavage, its hardness is 5, Phosphophyllite cleavage is complete, its hardness is 3.
3. The price difference is large. Phosphophyllite is a rare mineral containing hydrated zinc phosphate, which is expensive. Apatite is a common gem, and its price is relatively low.
4. Different places of origin. Phosphophyllite mainly produces Apollo Toth, New Hampshire and Bavaria. There are many kinds of apatite, including yellow-green apatite, fluorapatite, silica apatite, green algae apatite and strontium apatite. , widely distributed in its place of origin.