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Mineralpedia Details for Alsakharovite - (Zn)

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Alsakharovite - (Zn)

Alsakharovite - (Zn)

Named for Aleksey S. Sakharov, a Russian geologist who worked on the Lovozero massif. Forms as rough, flattened crystals of white to a pale brown. Prismatic crystals form in hydrothermal deposits with natrolite and lamprophyllite at its type and only locality at Lepkhe-Nel’m Mountain in the Lovozero massif on the Kola Peninsula of Russia.

Ref. Minerals and their Localities, Bernard, J.H. and Hyršl, J. (2004)

IMA/CNMNC List of Mineral Names (2009) and Zapiski Vserossiskogo Mineralogicheskogo Obshchetstva 132 (2003) (1), 52

Formula
NaSrKZn(Ti,Nb)4(Si4O12)2(O,OH)4ยท7H2
Crystal System
Monoclinic 
Crystal Habit
Tabular, Prismatic 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
white, pale brown, colorless 
Streak
white 
Class
Monoclinic - Domatic 
Fracture
Brittle - Uneven 
Hardness
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Alsakharovite - (Zn) from Pegmatite No. 45, Lepke-Nel'm Mt., Lovozero Massif, Kola Peninsula, Russia

Alsakharovite - (Zn)
            from Pegmatite No. 45, Lepke-Nel'm Mt., Lovozero Massif, Kola Peninsula, Russia

Extremely rare niobium-titanium silicate found at this locality only. Prismatic fragments less than 1mm each.

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