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Formula: KTi2Li3Si12O30
Cyclosilicate (ring silicate), osumilite group,
titanium- and lithium-
bearing mineral
Crystal system: Hexagonal
Specific gravity: 2.66 measured, 2.674 calculated
Hardness: 2½ to 3
Streak: White
Colour: White
Luminescence: Bright bluish white fluorescence under short wave UV, bright bluish luminescence under an electron beam
Solubility: Insoluble in water or 1:1 hydrochloric acid
Environments
Localities
At the type locality, the Dara-i-Pioz Massif, Districts of Republican Subordination, Tajikistan, berezanskite
occurs in a fragment of alkali pegmatite in moraine at the
Dara-i-Pioz glacier as aggregates, up to 2 x 3 mm, and as vein-like aggregates to 3 x 20 mm, consisting of white
platy grains up to 0.6 mm across
(AM 83.907).
Associated minerals include quartz,
aegirine, microcline,
kupletskite-(Cs),
hyalotekite,
polylithionite,
tadzhikite-(Ce),
dusmatovite, zektzerite and
stillwellite-(Ce)
(HOM).
Berezanskite from the Dara-i-Pioz Massif -
Image
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