Kanonerovite
Kanonerovite is an IMA-recognized mineral species in the oxides & hydroxide class, with the chemical formula Na₃MnP₃O₁₀·12H₂O.
It crystallizes in the monoclinic crystal system (space group P2_1/n). It is a member of the Kanonerovite structural group.
Key properties: Mohs hardness 2.5–3; specific gravity 1.91; White streak; Vitreous luster; optically biaxial.
IMA symbol Knr, IMA status: approved, named in 1997.
Found in the vuggy, microcline-albite-quartz-muscovite central zone of a granitic pegmatite vein.
It is found associated with Quartz, topaz, cassiterite, coated by muscovite and stellerite.
The mineral was named to honor mining historian Aleksandr Kanonerov Anatol’evich (1955-2003) of the Nizhnii Tagil Museum of Mining Industry of the Middle Urals.