An obsolete varietal term for annite, siderophyllite, tetra-ferri-annite, and biotite.

An obsolete term for phengite.

An obsolete term for an iron-rich chlorite.

A poorly defined material, possibly margarite or a mineral mixture.

An obsolete term for a near iron-free chlorite from the Ural mountains.

An obsolete term for aluminoceladonite.

A poorly defined material, probably not a mica, possibly containing halloysite.

An obsolete term for lepidolite.

An obsolete term for lepidolite.

See calcium silicate hydrate (CSH) in Part 1.