Glauconite
Properties
| Formula | (K,Na)(FeIII,Al,Mg)2(Si,Al)4O10(OH)2 |
| Abbreviation | Glt |
| Classification | Mica |
| Luminescence emitters | Mn, Triplet-singlet |
| IMA Status | Named 1828, but not IMA-approved |
| 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 C2/m (#12) |
| Tags | Hydroxide , Informal , Mineral, Aluminosilicate |