Trioctahedral Mica Group

garmite

hendricksite

norrishite

orlovite

The trioctahedral mica group includes:

the biotite subgroup
garmite: CsLiMg₂(Si₄O₁₀)F₂
hendricksite: KZn₃(Si₃Al)O₁₀(OH)₂
lepidolite minerals:
norrishite: KLiMn³⁺₂Si₄O₁₀O₂
orlovite: KLi₂Ti(Si₄O₁₀)(OF)
polylithionite: KLi₂AlSi₄O₁₀F₂
sokolovaite: CsLi₂AlSi₄O₁₀F₂
trilithionite: KLi_1.5Al_1.5(Si₃Al)O₁₀F₂
zinnwaldite minerals

The trioctahedral mica group is a member of the mica group.

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