Mineral Species sorted by the element Ho Holmium

Holmium (Ho ) by %

**Holmium (Ho) Element Properties**
Atomic Mass	164.93032
Atomic Number	67
Name Origins	Latin, Holinia = "Stockholm."
Year Discovered	1878
Discovery Credits	Discovered by P. T. Cleve at Uppsala, Sweden and independenly by M. Delafontaine and J. L. Soret at Geneva, Switzerland.
Remarks	Silvery metal of the rare earth group. Slowly attacked by oxygen and water, dissolves in acid. Used as flux concentrator for high magnetic fields. Diagnostic tests: There are no simple diagnostic tests to identify holmium. X-ray fluorescence spectroscopy is commonly employed to identify and analyze members of the Rare-Earth group elements.
References	Emsley, J., 1991; THE ELEMENTS : Sec. Ed., Clarendon Press, Oxford, 251 p.
See Also	WebElements, ChemiCool

**Naturally Occurring Isotopes**
Symbol	Isotope Mass	Isotope Nuclide Number	Isotope Number	Natural Abundance	Half-life	Half-life Units	Decay Mode	Decay Mode MeV	Decay Mode %
Ho	164.930319	165	67	100.0000%		Stable

Mineral Species sorted by the element Ho (Holmium )

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%Ho	Mineral Name	Chemical Formula	MW
2.28%Ho	Decrespignyite-(Y) !	(Y,REE)4Cu(CO3)4Cl(OH)5•2(H2O)	867.49
1.14%Ho	Hingganite-(Y)	Y2([ ])Be2Si2O8(OH)2	433.65
0.87%Ho	Proshchenkoite-(Y) !	(Y,REE,Ca,Na,Mn)15Fe++Ca(P,Si)Si6B3(O,F)48	2,711.51
0.80%Ho	Zajacite-(Ce)	Na(REExCa1-x)(REEyCa1-y)F6where(xney)	295.08
0.77%Ho	Maoniupingite-(Ce) !	(REE,Ca)4(Fe+++,Ti,Fe++,[])(Ti,Fe+++,Fe++,Nb)4Si4O22	1,228.90
0.72%Ho	Calcybeborosilite-(Y) !	(REE,Ca)2[](B,Be)2(SiO4)2(OH,O)2	437.09
0.66%Ho	Calciogadolinite ?	CaREE(Fe+++)Be2Si2O10	474.11
0.64%Ho	Kentbrooksite !	(Na,REE)15(Ca,REE)6Mn++Zr3NbSi25O74F2•2(H2O)	3,900.86
0.64%Ho	Abenakiite-(Ce)	Na26REE6(SiO3)6(PO4)6(CO3)6(S++++O2)O	2,928.18
0.62%Ho	Hundholmenite-(Y) !	(Y,REE,Ca,Na)15(Al,Fe+++)CaxAs+++1-x(Si,As+++++)Si6B3(O,F)48	2,521.06
0.59%Ho	Thomasclarkite-(Y) !	(Na,Ce)(Y,REE)(HCO3)(OH)3•4(H2O)	375.77
0.55%Ho	Moskvinite-(Y) !	Na2K(Y,REE)[Si6O15]	598.41
0.53%Ho	Samarskite-(Yb) !	(Yb,Y,REE,U,Th,Ca,Fe++)(Nb,Ta,Ti)O4	312.29
0.53%Ho	Iwashiroite-(Y) !	YTaO4	313.16
0.47%Ho	Calcioburbankite	Na3(Ca,REE,Sr)3(CO3)5	597.04
0.37%Ho	IMA2008-024 !	(Ca,Na,REE,[])7(Nb,Ti)[Si2O7]2OF3	841.27
0.36%Ho	Khristovite-(Ce)	(Ca,REE)(Ce,REE)(Mg,Fe,Cr,Ti,V,Al)Mn++Al(SiO4)(Si2O7)(OH)(F,O)	610.88
0.34%Ho	IMA2009-001	Ba5(Ca,REE,Y)22(Ti,Nb)18(SiO4)4[(PO4),(SiO4)]4(BO3)9O22[(OH),F]43(H2O)1.5	4,586.47
0.34%Ho	Dissakisite-(Ce)	Ca(Ce,REE)(Mg,Fe++)(Al,Fe+++)2Si3O12(OH)	599.36
0.33%Ho	Trimounsite-(Y)	(Y,REE)2Ti2SiO9	475.18
0.31%Ho	Hellandite-(Y)	(Ca,REE)4(Y,Ce)2(Al,[])2[Si4B4O22](OH)2	1,029.47
0.29%Ho	Kamphaugite-(Y)	(Ca1.84REEx)(Y1.46REE0.54-x)(CO3)4(OH)1.65•2(H2O)	585.44
0.29%Ho	Nioboaeschynite-(Y) !	[(Y,REE),Ca,Th,Fe](Nb,Ti,Ta)2(O,OH)6	368.70
0.28%Ho	Hellandite-(Ce) !	(Ca3REE)4Ce2Al[]2[Si4B4O22](OH)2	1,114.02
0.28%Ho	Strontiochevkinite	(Sr,REE)4Fe(Ti,Zr)2Ti2Si4O22	1,140.23
0.27%Ho	Gerenite-(Y) !	(Ca,Na)2(Y,REE)3Si6O18•2(H2O)	872.18
0.23%Ho	IMA2009-005	(Y,Ca,REE)5[(Si,P)O4]3F	696.25
0.22%Ho	Ciprianiite !	Ca4[(Th,U)(REE)]2(Al,[])2[Si4B4O22](OH,F)2	1,032.51
0.19%Ho	Chukhrovite-(Nd) !	Ca3(Nd,Y)Al2(SO4)F13•12(H2O)	857.24
0.13%Ho	Kuliokite-(Y)	(Y,REE)4Al(SiO4)2(OH)2F5	706.82
0.12%Ho	Cerotungstite-(Ce)	(Ce,REE)W2O6(OH)3	655.80
0.09%Ho	Bijvoetite-(Y)	(Y,REE)8(H2O)25(UO2)16O8(OH)8(CO3)16•14(H2O)	7,068.68
0.07%Ho	Mckelveyite-(Nd) *	(Ba,Sr)(Ca,Na,Nd,REE)(CO3)2•3-10(H2O)	456.93
0.06%Ho	Miserite	K1.5-x(Ca,Y,REE)5[Si6O15][Si2O7](OH,F)2•yH2O	933.24
0.06%Ho	Georgbarsanovite !	Na12(Mn,Sr,REE)3Ca6Fe++3Zr3NbSi25O76Cl2•H2O	3,297.19
0.04%Ho	Kapitsaite-(Y) !	(Ba,K,Pb,Na)4(Y,Ca,REE)2[Si8B2(B,Si)2O28F]	1,419.80
0.04%Ho	Mckelveyite-(Y)	NaCa(Ba,Sr)3(Y,REE)(CO3)6•3(H2O)	971.59

(* - Mineral Name Is Not IMA Approved)
(! - New Dana classification added or changed from Danas New Mineralogy)
(? - IMA Discredited Mineral Species Name)

There are 37 minerals with Ho in the Mineralogy Database.

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Mineral Species containing Holmium (Ho )

Holmium (Ho ) by %

Mineral Species sorted by the element Ho (Holmium )