General Jadeite Information

Chemical Formula:	Na(Al,Fe+++)Si2O6
Composition:	Molecular Weight = 205.03 gm
	Sodium 11.21 % Na 15.11 % Na2O
	Aluminum 11.84 % Al 22.38 % Al2O3
	Iron 2.72 % Fe 3.89 % Fe2O3
	Silicon 27.40 % Si 58.61 % SiO2
	Oxygen 46.82 % O
	______ ______
	100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:	NaAl0.9Fe3+0.1(Si2O6)
Environment:	Strongly metamorphosed sodium-rich serpentinous rocks
IMA Status:	Valid Species (Pre-IMA) 1863
Locality:	Clear Creek, San Benito County, California. Near Tawmaw and Hpakan villages, Upper Burma. Link to MinDat.org Location Data.
Name Origin:	From the Spanish, piedra de ijada, "stone of the side," because its supposed to cure kidney ailments if applied to the side of the body.
Synonym:	ICSD 10232
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