Laverovite
Laverovite is an IMA-recognized mineral species in the silicate class, with the chemical formula K₂NaMn₇Zr₂(Si₄O₁₂)₂O₂(OH)₄F.
It crystallizes in the triclinic crystal system (space group P-1). It is a member of the Astrophyllite structural group.
Key properties: Mohs hardness 3; specific gravity 3.367; Light brown streak; Vitreous luster; optically biaxial.
IMA symbol Lvv, IMA status: approved, named in 2018.
A late-stage hydrothermal mineral in a nepheline-syenite pegmatite.
It is found associated with Zircophyllite, kupletskite, astrophyllite, aegirine, analcime, orthoclase, albite.
The mineral was named to honor Professor Nikolay Pavlovich Laverov (1930-2016) Academician of the Russian Academy of Sciences, a prominent Russian ore geologist.
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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