General Information:
Chemical Formula:
KLi3Ti2Si12O30
Composition:
(Molecular Weight = 972.69 gm)
Potassium 4.02 % K
Lithium 2.14 % Li
Titanium 9.84 % Ti
Silicon 34.65 % Si
Oxygen 49.35 % O
Empirical Formula:
KLi3Ti2Si12O30
Environment:
Occurs in a block of peralkaline pegmatite in the moraine of the Dara-i-Pioz glacier. Possible titanium dominant analog of brannockite.
IMA Status:
Approved IMA (Dana # Added)
Locality:
The moraine at the Dara-i-Pioz glacier in the Pamir Mountains, Garm region, Tadzhikistan.
Name Origin:
Named after Anatolyi Vladimirovich Berezanskii (b. 1948), who mapped the geology of remote areas of the Turkestan-Alai range, in Tajikistan.
Physical Properties:
Cleavage:
[0001] Perfect
Color:
white.
Density:
2.66
Diaphaniety:
Transparent
Habits:
Platy - Sheet forms (e.g. micas)., Granular - Generally occurs as anhedral to subhedral crystals in matrix.,
Hardness:
2.5-3 - Finger Nail-Calcite
Luster:
Vitreous - Pearly
Streak:
white
More details...