Allanite-Epidote
Properties
Formula | (Ca,REE)2(Al2FeII)[Si2O7][SiO4]O(OH) |
Abbreviation | Aln-Ep |
Classification | Epidote |
Search other databases | webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database |
Crystal symmetry | Monoclinic, Point group 2/m, Space group P21/m (#11) |
Tags | Hydroxide, Variety , Aluminosilicate |
Composition
Element | Atoms |
---|---|
Ca | 1 |
H | 1 |
Si | 3 |
Fe | 1 |
Al | 2 |
O | 13 |
REE | 1 |
Total: | 22 |