Illite-Smectite 11.5A : CSIRO Spectroscopy Database

Illite-Smectite 11.5A [ K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂ ‒ A_0.3D_2-3[T₄O₁₀]Z₂ · nH₂O ]

Formula	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂ ‒ A_0.3D_2-3[T₄O₁₀]Z₂ · nH₂O
Classifications	Smectite (group), Mica
Search other databases	webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Tags	Aluminosilicate

Name	Owner	Materials	Phase purity	Image
APIH41 Illite / Illite-Smectite 11.5A / Calcite	CSIRO	Albite, Calcite, Hematite, Illite-1Md, Illite-Smectite 11.5A (36.1%), Quartz	36.1	APIH41 Illite / Illite-Smectite 11.5A / Calcite Image of Illite-1Md, Albite, Calcite, Hematite, Illite-Smectite 11.5A and Quartz in specimen 'APIH41 Illite / Illite-Smectite 11.5A / Calcite' [CSIRO]. (C) 2025 CSIRO Mineral Resources. All rights reserved.