Pyrocoproite Mineral Data

General Pyrocoproite Information
Chemical Formula:	(Mg(K,Na))2P2O7
Composition:	Molecular Weight = 292.70 gm
	Potassium 20.04 % K 24.14 % K₂O
	Sodium 3.93 % Na 5.29 % Na₂O
	Magnesium 16.61 % Mg 27.54 % MgO
	Phosphorus 21.16 % P 48.50 % P₂O₅
	Oxygen 38.26 % O
	______ ______
	100.00 % 105.47 % = TOTAL OXIDE
Empirical Formula:	Mg₂K_1.5Na_0.5(P₂O₇)
Environment:	Combustion of organic-rich quano which accumulates on the floor of caves inhabited by insect-eating bats. Considered a pre-cursor material for arnhemite.
IMA Status:	Not Approved IMA
Locality:	Arnhem Cave, Namibia. Link to MinDat.org Location Data.
Name Origin:	Named after it's derivation from bat guano combustion.