Knasibfite
Knasibfite is an IMA-recognized mineral species in the halide class, with the chemical formula K₃Na₄(SiF₆)₃(BF₄).
It crystallizes in the orthorhombic crystal system (space group Imm2).
Key properties: specific gravity 2.75; White streak; Vitreous luster.
IMA symbol Ksf, IMA status: approved, named in 2006.
On altered pyroclastic breccia in an active low-temperature volcanic fumarole.
It is found associated with Hieratite, avogadrite, demartinite.
An acronym based on the chemical symbols for its essential components.
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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