Uklonskovite

 Uklonskovite (Na Mg(S O4)F) is a colorless monoclinic mineral found in Chile, Italy and Uzbekistan. It is named after Alexandr Sergeievich Uklonskii (b. 1888), mineralogist, Academy of Sciences, Uzbekistan. Its type locality is Kushkanatau salt deposit, Lower Amu Darya River, Karakalpakstan Respublikasi, Uzbekistan.[1][2][3]

Uklonskovite
General
CategorySulfate minerals
Formula
(repeating unit)		NaMgSO4(OH)·2H2O
Strunz classification7.DF.05
Crystal systemMonoclinic
Crystal classPrismatic (2/m)
(same H-M symbol)
Space groupP21/m
Unit cella = 7.2 Å, b = 7.21 Å
c = 5.73 Å; β = 113.23°; Z = 2
Identification
Colorcolorless
Lustervitreous
Diaphaneitytransparent
References

This article uses material from the Wikipedia article
 Metasyntactic variable, which is released under the 
Creative Commons
Attribution-ShareAlike 3.0 Unported License.