Scawtite

General Information:
 Chemical Formula:
Ca7Si6(CO3)O18·2(H2O)
 Composition:
(Molecular Weight = 833.09 gm)
Calcium 33.68 % Ca
Silicon 20.23 % Si
Hydrogen 0.48 % H 
Carbon 1.44 % C 
Oxygen 44.17 % O 
 Empirical Formula:
Ca7Si6(CO3)O18·2(H2O)
 Environment:
Rare constituant of hybrid rocks formed by the assimilation of limestone by dolerite.
 Locality:
Scawt Hill, Antrim, Ireland.
 Name Origin:
Named after its locality.
Physical Properties:
 Cleavage:
[001] Perfect, [010] Poor
 Color:
colorless.
 Density:
2.77
 Diaphaniety:
Transparent
 Habits:
Platy - Sheet forms (e.g. micas)., ,
 Hardness:
4-5 - Fluorite-Apatite
 Luster:
Vitreous (Glassy)
 Streak:
white
More details...

B: (Kimia) skawtit
Built to Babylon by Hikmat Gumilar Visit my Website;