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Formula: Zn3Sn2Al16O30(OH)2
Hydroxide, nigerite group
Specific gravity: 4.438 calculated
Luminescence: Not fluorescent under long or short wave UV
Environments
Zinconigerite-6N6S is a new mineral, approved in 2018.
Localities
At the type locality, the Xianghualing mine, Xianghualing Sn-polymetallic ore field, Linwu county, Chenzhou, Hunan,
China, zinconigerite-6N6S and zinconigerite-2N1S have been
discovered in skarn as aggregates, sub-to-euhedral crystals up to 100 μm in
size, within fluorite aggregates, and closely associated with
phlogopite, chrysoberyl,
magnetite, cassiterite,
margarite and
nigerite-taaffeite group minerals.
Zinconigerite-6N6S likely crystallised under fluorine-rich conditions during late stages of the
skarn formation
(AM 107.1952-1959).
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