Lunijianlaite
Lunijianlaite is an IMA-recognized mineral species in the silicate class, with the chemical formula Li₀.₇Al₆.₂(Si₇Al)O₂₀(OH,O)₁₀.
It is a member of the Corrensite structural group.
Key properties: Mohs hardness 2; specific gravity 2.75; Vitreous to pearly, silky in aggregates luster; optically biaxial.
IMA symbol Lji, IMA status: approved, named in 1989.
Within corundum, in a hydrothermal pyrophyllite deposit in rhyolite.
It is found associated with Corundum, diaspore, chlorite, illite, halloysite, svanbergite, zeolites, hematite.
The name comes from the Chinese luni, for the chlorite group, representing cookeite; jian, a connective; and lain for pyrophyllite.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
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