General Information:
Chemical Formula:(Ca,Ce,La,Th)15As+++++(As+++0.5,Na0.5)Fe+++Si6B4O40F7
Environment:Inside a volcanic ejectum from a pyroclastic formation.
IMA Status:Approved IMA
Locality:Vican (Vico lake) volcanic complex at Tre Croci, Ventralla (north of Rome), Latium, Veterbo provicne, Italy.
Name Origin:After its locality.
Physical Properties: Cleavage:None
Color:yellow green or green.
Density:4.73
Diaphaniety:Transparent
Habits:Anhedral Grains - Granular minerals without the expression of crystal shapes, Crystalline - Fine - Occurs as well-formed fine sized crystals.,
Hardness:5.5-6 - Knife Blade-Orthoclase
Luminescence:Non-fluorescent.
Luster:Vitreous - Adamantine
Streak:white
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