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

Composition

H, Ca, Si, O, F, Na, K, Cs, Sr, N