Hingganite-(Ce)

minerals

Formula: BeCe(SiO4)(OH)
Nesosilicate (insular SiO4 groups), gadolinite group, beryllium and cerium bearing mineral
Specific gravity: 4.28 calculated
Hardness: 5 to 6
Streak: White
Colour: Pale tan, Reddish brown
Environments

Pegmatites

Hingganite-(Ce) occurs in pegmatites associated with quartz, K-feldspar, albite, zinnwaldite, cassiterite, stokesite, fluorite, chlorite and titanite (HOM), and as overgrowths on hingganite-(Y) (Webmin).

Localities

At the type locality, the Iwaguro Sekizai quarry, Tawara, Hirukawa, Nakatsugawa City, Gifu Prefecture, Japan, hingganite-(Ce) occurs in a miarolytic cavity a in granite pegmatite associated with quartz, feldspar, mica, cassiterite, stokesite, fluorite and chlorite (AM 75.432).

At Mount Ulyn Khuren, Altai Range, Mongolia, hingganite-(Ce) occurs in a granite pegmatite. Other minerals found in the pegmatite include zircon, quartz, kainosite-(Y), aegirine, fergusonite-(Y)-β, ilvaite, allanite-(Ce), magnetite, fayalite and fluorite (Minrec 35.2.178).

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