Bigcreekite Mineral Data

General Bigcreekite Information
Chemical Formula:	BaSi2O5•4(H2O)
Composition:	Molecular Weight = 345.56 gm
	Barium 39.74 % Ba 44.37 % BaO
	Silicon 16.26 % Si 34.78 % SiO₂
	Hydrogen 2.33 % H 20.85 % H₂O
	Oxygen 41.67 % O
	______ ______
	100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:	BaSi₂O₅•4(H₂O)
Environment:	Found in fractures in a sanborite-quartz gneiss. Double-chain silicate; structure.
IMA Status:	Approved IMA 1999 (Dana # Added)
Locality:	Esquire no. 7 claim, along Big Creek, Fresno County, California, USA. Link to MinDat.org Location Data.
Name Origin:	Named for the locality.
Synonym:	IMA1999-015