An obsolete term for a kaolin, but probably a mixture, described from Kimolos, Greece.
Syn. cimolite, pelikanite (from Kiev, Russia, also obsolete)

A trioctahedral member of the brittle mica group. The end-member formula is: BaMg₃Al₂Si₂O₁₀(OH)₂. Typical site substitutions include: Ba > K; Mn²⁺, Mn³⁺, Al, Fe, Ti for Mg; and F for OH. Kinoshitalite forms 1M and, less commonly, 2M₁ polytypes. In general, kinoshitalite occurs in metamorphic deposits in amphibolite- to granulite-facies, in marbles and calc-silicate rocks, and in kimberlites (group I) and in volcanic rocks that are K undersaturated.
Cf., ferrokinoshitalite

An obsolete term for chamosite (chlorite).

An obsolete term for celadonite, ferrian celadonite.

An obsolete term for a Cr-containing chlorite from the Ural mountains.

A poorly defined material, probably not a mica.

Kübler (1964, 1967) attempted to define a “crystallinity” index for illite (“IC”) by examining the powder X-ray diffraction of intergrown illite and muscovite, originally to identify the anchizone (diagenesis) and the anchizone-epizone (metamorphic) boundaries. Measured values are expressed as small changes in the d value based on the width for the 10-Å peak at half height above the background for Cu radiation. If the procedure is used, it should not be characterized as a “crystallinity” index, as it is unclear if “crystallinity” is actually being measured because such patterns also reflect the presence of smectite and other K-rich micas, different mean crystallite sizes, lattice strain, layer stacking order, instrument parameters and other features.
Cf., crystalline, crystallinity index, Hinckley index, Arkai index

A regular interstratification of talc-like layers and trioctahedral (tri,trioctahedral) chlorite in a ratio of 1:1 (Abraham et al., 1980). The ideal formula is Mg₈Al(Si₇Al)O₂₀(OH)₁₀, although substitutions of NaAl = Si to about Si_0.4 are known.

See astrophyllite group.