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Oxides & Hydroxide

Magnesionigerite-2N1S

(Mg,Al,Zn)₂(Al,Sn)₆O₁₁(OH)
Hardness8
Crystal systemHexagonal
ClassOxides & Hydroxide
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Magnesionigerite-2N1S

Magnesionigerite-2N1S is an IMA-recognized mineral species in the oxides & hydroxide class, with the chemical formula (Mg,Al,Zn)₂(Al,Sn)₆O₁₁(OH).

It crystallizes in the hexagonal crystal system (space group P-3m1). It is a member of the Hogbömite-Nigerite structural group.

Key properties: Mohs hardness 8; specific gravity 4.22; White streak; Vitreous luster; optically uniaxial.

IMA symbol Mgng-2N1S, IMA status: approved, named in 1988.

An accessory mineral in high-temperature tungsten ore.

It is found associated with Quartz, scheelite, muscovite, magnetite, rutile, nigerite, cassiterite, zircon, taaffeite.

The mineral was named to honor Peng Zhizhong, Chinese mineralogist, Wuhan Geological College, Beijing, China, who determined the crystal structure.

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 M minerals or help write this entry.