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Formula:
Na4K4Mg2Ti8O4(Si4O12)4(OH)4.10-12H2O
Cyclosilicate (ring silicate), labuntsovite group,
labuntsovite supergroup
Specific gravity: 2.88
Hardness: 5
Streak: White
Colour: Colourless, yellowish white, pink, light orange
Common impurities: Fe
Environments
Labuntsovite-Mg occurs with catapleiite and
anatase
in cavities within dolomitic carbonatite
(Webmin).
Localities
The type locality is the Kovdor Zheleznyi mine, Kovdor Massif, Murmansk Oblast, Russia.
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