| Prismatine | |
| Category: | Sorosilicate |
| Formula: | ([],Fe,Mg)(Mg,Al,Fe)5Al4Si2(Si,Al)2(B,Si,Al)(O,OH,F)22 |
| Imasymbol: | Prm[1] |
| Strunz: | 9.BJ.50 |
| System: | Orthorhombic |
| Class: | Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m) |
| Symmetry: | Cmcm |
| Color: | Yellow brown, green brown, brown green |
| Opticalprop: | Biaxial (-) |
| Gravity: | 3.34 |
| References: | [2] [3] [4] |
Prismatine is an orthorhombic-dipyramidal mineral containing aluminium, boron, fluorine, hydrogen, iron, magnesium, oxygen, and silicon. It forms a solid solution series with kornerupine.