|  |  | 
	 Clinotobermorite Mineral Data  |  |  | 
   
| General Clinotobermorite  Information  | 
|  Chemical  Formula: | Ca5Si6(O,OH)18•5(H2O) | 
|  Composition: | Molecular Weight = 751.00 gm | 
|  | Calcium   26.68 %  Ca   37.34 % CaO | 
|  | Silicon   22.44 %  Si   48.00 % SiO2 | 
|  | Hydrogen   1.88 %  H    16.79 % H2O | 
|  | Oxygen    49.00 %  O | 
|  | ______        ______ | 
|  | 100.00 %      102.13 % = TOTAL OXIDE | 
|  Empirical Formula: | Ca5Si6O14(OH)4•5(H2O) | 
|  Environment: | A vein-forming mineral in gehlenite-spurrite skarns. Low-temperature polymorph of tobermorite. | 
|  IMA Status: | Approved IMA 1989 | 
|  Locality: | Fuka, Bitchucho, Okayama Prefecture, Japan. Link to MinDat.org Location Data. | 
|  Name Origin: | Named as the monoclinic polymorph of tobermorite. | 
|  Synonym: | ICSD 403090 | 
|  | IMA1990-005 | 
|  | PDF 45-1479 | 
|  |