Type |
Nom cristallin |
Densité UH |
| Phosphate de calcium | Carbapatite
Hydroxyapatite |
1 550–1 950 |
| Oxalate de calcium Monohydraté | Whewellite | 1 200–1 700 |
| Oxalate de calcium Dihydraté | Weddellite | 1 000–1 450 |
| Phosphate ammoniaco-magnésien | Struvite | 550–950 |
| Cystine | 650–850 | 650–850 |
| Acide urique | 350–650 |