Saponite [ (Ca,Na)0.3(Mg,Fe)3(Si,Al)4O10(OH)2·4H2O ]

Material properties

Formula (Ca,Na)0.3(Mg,Fe)3(Si,Al)4O10(OH)2·4H2O
Abbreviation Sap
Classifications Minerals containing OH, Smectite (group), Minerals containing H2O
IMA Status Grandfathered (pre-IMA), 1840
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 , Mineral, Silicate , Hydrated

Composition

Element Wt%
H 2.1
Na 0.48
Mg 11.39
Ca 0.83
Fe 8.72
Al 5.62
Si 17.55
O 53.31
Total: 100

Specimens of Saponite

Name Owner Materials Phase purity Image
MES152 Saponite CSIRO Saponite (93.1%), Vermiculite 93.1