General Information:
Chemical Formula:
CaVOSiO4
Composition:
(Molecular Weight = 199.10 gm)
Calcium 20.13 % Ca
Vanadium 25.59 % V
Silicon 14.11 % Si
Oxygen 40.18 % O
Empirical Formula:
CaV4+SiO5
Environment:
Associated with calcite, quartz and haradaite in a small vein cutting ophiolitic metacherts.
IMA Status:
Approved IMA
Locality:
Gambatesa mine, near Reppia, Val Graveglia, northern Apennines, Italy.
Name Origin:
Named to show it's chemical relationship to malayaite.
Physical Properties:
Cleavage:
[110] Good
Color:
deep red.
Density:
3.6
Diaphaniety:
Transparent
Habits:
Granular - Generally occurs as anhedral to subhedral crystals in matrix., ,
Hardness:
6 - Orthoclase
Luminescence:
Non-fluorescent.
Luster:
Adamantine
Streak:
red
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