Illite-1Md [ K0.65Al2.0[Al0.65Si3.35O10](OH)2 ]

Material properties

Formula K0.65Al2.0[Al0.65Si3.35O10](OH)2
Classification Illite
Search other databases webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Crystal symmetry Monoclinic
Tags Hydroxide , Polytype, Aluminosilicate

Composition

Element Atoms
O 12
H 2
K 0.65
Al 2.65
Si 3.35
Total: 20.65

Specimens of Illite-1Md

Name Owner Materials Phase purity Image
APIH41 Illite / Illite-Smectite 11.5A / Calcite CSIRO Albite, Calcite, Hematite, Illite-1Md (42.9%), Illite-Smectite 11.5A, Quartz 42.9