General Information:
Chemical Formula:AlCa2(SO4)2F2Cl·4(H2O)
Composition:(Molecular Weight = 444.78 gm)Calcium 18.02 %
CaAluminum 6.07 %
AlHydrogen 1.81 %
H Sulfur 14.42 %
S Chlorine 7.97 %
ClOxygen 43.17 %
O Fluorine 8.54 %
F Empirical Formula: AlCa2(SO4)2F2Cl·4(H2O)
Environment:A product of fumarolic exhalations at temperatures below 100 deg. C.
IMA Status:Approved IMA
Locality:The Tolbachik Main Fracture eruption (Cone II of the Northern fissure), Kanchatka, Russia.
Name Origin:For V. I. Vlodavets (1893-1993), Russian volcanologist.
Physical Properties: Cleavage:[100] Perfect
Color:colorless or yellow white.
Density:2.35
Diaphaniety:Transparent
Habits:Tabular - Form dimensions are thin in one direction., Platy - Sheet forms (e.g. micas).,
Luminescence:Non-fluorescent.
Luster:Vitreous (Glassy)
Streak:white
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