Zolotarevite

zolotarevite

lueshite

lomonosovite

umbozerite

Images

Formula: Na5Zr[Si6O15(ОН)3].3H2O
Cyclosilicate (ring silicate), lovozerite group, zirconium-bearing mineral
Specific gravity: 2.75 measured, 2.85 calculated for the empirical formula
Hardness: 5
Streak: White
Colour: Cherry-red
Environments

Plutonic igneous environments

Zolotarevite is a new mineral, approved in 2020 and to date (June 2022) reported only from the type locality.

Localities

At the type locality, Alluaiv Mountain, Lovozersky District, Murmansk Oblast, Russia, zolotarevite was found in a light-coloured nepheline syenite as anhedral grains up to 1 mm across. Associated minerals include microclineperthite, nepheline, sodalite, aegirine, lamprophyllite, lueshite, umbozerite, lomonosovite, nastrophite, a mineral of the kazakovitetisinalite series, sphalerite and löllingite (MM86.2.263-271).

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