Zhanghuifenite
Zhanghuifenite is an IMA-recognized mineral species in the phosphate class, with the chemical formula Na₃Mn²⁺₄Mg₂Al(PO₄)₆.
It crystallizes in the monoclinic crystal system (space group P2_1/n). It is a member of the Alluaudite-Wyllieite structural group.
Key properties: Mohs hardness 5; specific gravity 3.63; Pale green streak; Vitreous luster; optically biaxial.
IMA symbol Zhf, IMA status: approved, named in 2016.
Attributed to veining, produced possibly by a late-stage, fluid-rich peraluminous melt in a zoned granitic pegmatite.
It is found associated with Beusite, lithiophilite.
The mineral was named to honor Chinese mineralogist, Professor Huifen Zhang (1934-2012), Institutes of Geochemistry in Guiyang and Guangzhou, China.
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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