Species / Silicates / #0108
Allanite-(Sm)
Silicates monoclinic #0108
Allanite-(Sm) is a mineral species described as null. It is classified under the Nickel-Strunz scheme and its reference data is listed below.
| Formula | (CaSm)(AlAlFe²⁺)O[Si₂O₇][SiO₄](OH) |
| Strunz code | 9.BG.05b |
| Class | Silicates |
| Crystal system | monoclinic |
| Type locality | — |
| Named after | allanite group |
| Streak | — |
No specimen image
Composition
O
35.04%
Sm
25.33%
Si
14.2%
Fe
9.41%
Al
9.09%
Ca
6.75%
H
0.17%
Molar mass 593.497 g/mol
Physical
Mohs
Density
g/cm³