General Information:
Chemical Formula:CaSrV2O6(OH)2·3(H2O)
Composition:(Molecular Weight = 413.64 gm)Strontium 21.18 %
SrCalcium 9.69 %
CaVanadium 24.63 %
V Hydrogen 1.95 %
H Oxygen 42.55 %
O Empirical Formula: CaSrV4+2O6(OH)2·3(H2O)
Environment:Coatings on sandstone.
IMA Status:Approved IMA 1959
Locality:Jo Dandy mine, Montrose County, Colorado, USA.
Name Origin:Named for Andres M. del Rio (1764-1849), Mexican mineralogist, who discovered vanadium.
Physical Properties: Color:yellow brown, light yellow green, or dark green.
Density:3.1
Diaphaniety:Translucent
Habits:Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite), Aggregates - Made of numerous individual crystals or clusters., Acicular - Occurs as needle-li ke crystals.
Hardness:2 - Gypsum
Luster:Vitreous - Pearly
Streak:pale yellow green
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