Apophyllite
Images
Properties
Formula | AB4[Si8O22]Xยท8H2O, A=K,Na,NH4,Cs, B=Ca,Sr, X=F,OH |
Abbreviation | Apo |
Members | Fluorapophyllite-(NH4), Fluorapophyllite-(K), Fluorapophyllite-(Na), Fluorapophyllite-(Cs), Hydroxymcglassonite-(K), Hydroxyapophyllite-(K) |
Luminescence emitters | Ce, Mn, Unspecified, UO2 |
Spectra | Luminescence (3) |
IMA Status | Approved group |
Search other databases | webmineral.com, mindat.org, rruf.info, fluomin.org, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database |
Crystal symmetry | Tetragonal, Point group 4/mmm, Space group P4/mnc (#128) |
Tags | Group, Silicate , Hydrated |