Pittongite Mineral Data

General Pittongite Information
Chemical Formula:	Na0.22[(W,Fe+++)(O,OH)3•0.44H2O
Composition:	Molecular Weight = 222.44 gm
	Potassium 0.05 % K 0.06 % K₂O
	Sodium 2.27 % Na 3.07 % Na₂O
	Calcium 0.36 % Ca 0.50 % CaO
	Aluminum 0.24 % Al 0.46 % Al₂O₃
	Iron 4.02 % Fe 5.17 % FeO
	Hydrogen 0.53 % H 4.78 % H₂O
	Tungsten 67.78 % W 85.47 % WO₃
	Oxygen 24.74 % O
	______ ______
	100.00 % 99.51 % = TOTAL OXIDE
Empirical Formula:	Na_0.22(H₂O)_0.44Ca_0.02K_0.003W_0.82Fe²⁺_0.16Al_0.02O_2.7(OH)_0.3
Environment:	Formed by direct alteration of ferberite in the presence of acidic, oxidizing solutions containing sodiumNew structure type
IMA Status:	Approved IMA 2006 (Dana # Added)
Locality:	Mine dumps near the main shaft of a tungsten deposit 35 km west of Ballerat in the New England District of New South Wales, Australia. Link to MinDat.org Location Data.
Name Origin:	Named for the former village of Pittong near the deposit.
Synonym:	IMA2005-034a