Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.25-2.33
2.55-2.70
Fracture
Brittle, Metallic, Brittle, Metallic
Not Available
Cleavage
Good on {010}
Not Available
Mohs Hardness
3-4
6.5-7
Chemical Composition
Ca(VO)Si4O10•4(H2O)
SiO 2Ulrich Henn and Claudio C.
