Kudryavtsevaite
Kudryavtsevaite is an IMA-recognized mineral species in the oxides & hydroxide class, with the chemical formula Na₃MgFe³⁺Ti₄O₁₂.
It crystallizes in the orthorhombic crystal system (space group Pnma).
Key properties: Mohs hardness 6; specific gravity 3.845; Black streak; Vitreous luster.
IMA symbol Kud, IMA status: approved, named in 2012.
Found in a serpentinized xenolith in kimberlite.
It is found associated with Mg-rich ilmenite, freudenbergite, ulvöspinel.
The mineral was named to honor Galina Kudryavtseva (1947-2006), founder of the Diamond Mineralogy Laboratory, Lomonosov State University, Moscow, Russia.
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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