General Information:
Chemical Formula:
SrAl(OH)F4·(H2O)
Composition:
(Molecular Weight = 225.62 gm)
Strontium 38.84 % Sr
Aluminum 11.96 % Al
Hydrogen 1.34 % H
Oxygen 14.18 % O
Fluorine 33.68 % F
Empirical Formula:
SrAl(OH)F4·(H2O)
Environment:
In iron ores.
IMA Status:
Approved IMA 1964
Locality:
Karasug, Tannu-Ola range, Tuva, Russia.
Name Origin:
Named for Igor Tikhonenkov (1927-1961), Russian student of alkaline rocks and minerals.
Physical Properties:
Cleavage:
[001] Perfect
Color:
colorless or light pink.
Density:
3.26
Diaphaniety:
Transparent
Habits:
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline)., ,
Hardness:
3.5 - Copper Penny
Luster:
Vitreous (Glassy)
Streak:
white
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