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Phosphate

Qingheiite

NaNaMn(MgAl)(PO₄)₃
Hardness5.3–5.6
Crystal systemMonoclinic
ClassPhosphate
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Qingheiite specimen

Qingheiite , Beusite Locality: Santa Ana Pegmatite, Totoral pegmatitic field, Coronel Pringles Department, San Luis, Argentina Field of View: 5 mm Description: Dark green Qingheiite and brown Beusite on matrix; Photo and collection Fernando Brederodes — Photo: Fernando Brederodes · Public domain

Qingheiite

Qingheiite is an IMA-recognized mineral species in the phosphate class, with the chemical formula NaNaMn(MgAl)(PO₄)₃.

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 5.3–5.6; specific gravity 3.718; Vitreous luster; optically biaxial.

IMA symbol Qin, IMA status: approved, named in 1981.

Found in a muscovite-rich pegmatite.

It is found associated with Muscovite, quartz, microcline, braunite, pyrolusite.

The name refers to Qinghe Co., 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. Browse more Q minerals or help write this entry.