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	 Cristobalite Mineral Data 
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General Cristobalite  Information 
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  Chemical  Formula:  | 
SiO2    | 
  Composition:  | 
Molecular Weight = 60.08 gm    | 
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 Silicon  46.74 %  Si  100.00 % SiO2  | 
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 Oxygen   53.26 %  O  | 
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         ______        ______   | 
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         100.00 %      100.00 % = TOTAL OXIDE  | 
  Empirical Formula:  | 
(SiO2)    | 
  Environment:  | 
Post-volcanic, magmatic, and secondary.    | 
  IMA Status:  | 
Valid Species (Pre-IMA) 1887    | 
  Locality:  | 
Cerro San Cristobal, Mexico. Link to MinDat.org Location Data.  | 
  Name Origin:  | 
Named after its locality.    | 
  Name Pronunciation:  | 
 Cristobalite  + Pronunciation     | 
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