General Information:
Chemical Formula:
Ca2SiO4
Composition:
(Molecular Weight = 172.24 gm)
Calcium 46.54 % Ca
Silicon 16.31 % Si
Oxygen 37.16 % O
Empirical Formula:
Ca2(SiO4)
Environment:
Contact metamorphism of limestones.
Locality:
Scawt Hill, near Larne, Co., Antrim, Ireland.
Name Origin:
Named after its locality.
Physical Properties:
Cleavage:
[100] Good
Color:
colorless or gray.
Density:
3.28
Diaphaniety:
Transparent to translucent
Habits:
Granular - Generally occurs as anhedral to subhedral crystals in matrix., Tabular - Form dimensions are thin in one direction.,
Hardness:
6 - Orthoclase
Luster:
Vitreous (Glassy)
Streak:
white
More details...