Nielsbohrite Mineral Data

General Nielsbohrite Information
Chemical Formula:	K(UO2)3(AsO4)(OH)4•H2O
Composition:	Molecular Weight = 1,093.26 gm
	Potassium 1.54 % K 1.85 % K₂O
	Uranium 68.80 % U 78.05 % UO₂
	Arsenic 6.76 % As 10.38 % As₂O₅
	Hydrogen 0.55 % H 4.94 % H₂O
	Oxygen 22.34 % O
	______ ______
	100.00 % 95.22 % = TOTAL OXIDE
Empirical Formula:	K_0.43(UO₂)_3.16(AsO₄)_0.98(OH)₄•(H₂O)
Environment:	Secondary mineral assemblage of the uranium deposit. New structure type.
IMA Status:	Approved IMA 2006 (Dana # Added)
Locality:	Menzenschwand, Southern Black Forest, Baden-W�rttemberg, Germany Link to MinDat.org Location Data.
Name Origin:	Named for Niels Henrik David Bohr (1885-1962), Danish physicist and Nobel Prize winner in Physics (1922) who made fundamental contributions to understanding atomic structure and qua ntum mechanics.
Synonym:	IMA2002-045b