General Information:
Chemical Formula:
Mg2SiO4
Composition:
(Molecular Weight = 140.69 gm)
Magnesium 34.55 % Mg
Silicon 19.96 % Si
Oxygen 45.49 % O
Empirical Formula:
Mg2(SiO4)
Locality:
Mte. Somma, Vesuvius, Italy.
Physical Properties:
Cleavage:
[001] Good, [010] Distinct
Color:
colorless, green, yellow, yellow green, or white.
Density:
3.21 - 3.33, Average = 3.27
Diaphaniety:
Transparent
Habits:
Crystalline - Fine - Occurs as well-formed fine sized crystals., Tabular - Form dimensions are thin in one direction.,
Hardness:
6-7 - Orthoclase-Quartz
Luminescence:
Non-fluorescent.
Luster:
Vitreous (Glassy)
Streak:
white
More details...