Arsenocrandallite Mineral Data

General Arsenocrandallite Information
Chemical Formula:	(Ca,Sr)Al3[(As,P)O4]2(OH)5•(H2O)
Composition:	Molecular Weight = 595.75 gm
	Strontium 11.03 % Sr 13.04 % SrO
	Calcium 15.14 % Ca 21.18 % CaO
	Aluminum 13.59 % Al 25.67 % Al₂O₃
	Arsenic 18.86 % As 28.93 % As₂O₅
	Phosphorus 2.60 % P 5.96 % P₂O₅
	Hydrogen 1.18 % H 10.58 % H₂O
	Oxygen 37.60 % O
	______ ______
	100.00 % 105.37 % = TOTAL OXIDE
Empirical Formula:	Ca_2.25Sr_0.75Al₃(AsO₄)_1.5(PO₄)_0.5(OH)₅•(H₂O)
Environment:	Occurs as a secondary mineral on specimens from a mine dump (Neubulach, Germany).
IMA Status:	Approved IMA 1981
Locality:	From Neubulach, and in the Clara mine, near Oberwolfach, Black Forest, Germany. At the Centennial Eureka mine, Tintic district, Juab Co., Utah, USA. Link to MinDat.org Location Data.
Name Origin:	For "arsenic" in the composition, and relation to "crandallite."
Name Pronunciation:	Arsenocrandallite + Pronunciation