Uranium & Thorium Minerals If you do not see two rotating crystals, click here

Collecting and Handling Uranium and Thorium Minerals
Minor Uranium & Thorium Minerals (1% - 5%)	Trace Uranium & Thorium Minerals (<1%)
Non-Valid Uranium & Thorium Mineral Names
By Element Content	By Fluorescence
By Moh's Hardness	By Mineral Colors
The Oklo, Gabon, Natural Fission Reactor a collection of resaerch papers
Notes	Glossary

Mineral Index
A	B	C	D	E
F	G	H	I	J
K	L	M	N	O
P	R	S	T	U
V	W	X	Y	Z

Mineral	Type	Uranium or Thorium	REE	Notes	H/R Image
Abernathyite	Phosphate	U		r	**
Absite	Titanate	U & Th		L, (?) A variety of Brannerite
Aeschynite-(Ce)	Oxide	Th (Minor)
Aeschynite-(Nd)	Oxide	Th (Minor)
Agrinierite	Oxides	U
Albrechtschraufite	Carbonate Fluoride	U
Aldanite	Oxide	Th		L, N A Variety of Thorianite
Althupite	Phosphate Oxide Hydroxide	U & Th
Aluminian Betafite	Oxide, Hydroxide, Fluoride	U (unknown)		L, N
Alumomelanocerite (An aluminum containing variety of Melanocerite-(Ce))	Borate Fluoride Hydoxide Oxide	Th	‡	(?)
Ammonium-Uranospinite (An artificial mineral)	Arsenate	U		N
Ancylite-(Ce)	Hydroxide Carbonate	U (Trace)
Ancylite-(La)	Hydroxide Carbonate	U (Trace)
Andersonite	Carbonate	U			**
Arsenthorite (an Arsenic containing variety of Thorite)		Th		(?)
Arsenuranospathite	Arsenate	U
Arsenuranylite	Arsenate Hydroxide	U
Ashanite	Oxide	U		N
Asselbornite	Bismuthate Arsenate Phosphate Hydroxide	U
Astrocyanite-(Ce)	Carbonate Hydroxide	U	‡	r	*
Auerlite	Silicate Phosphate	Th		L, (?)
Autunite	Phosphate	U		C
Barium-Uranophane		U (unknown)		L!
Bassetite	Phosphate	U
Bauranoite	Oxide or Uranate	U		L
Bayleyite	Carbonate	U		r	**
Becquerelite	Oxide, Hydroxide	U		R!	**
Bergenite	Hydroxy Phosphate	U			**
Betafite	Oxide, Hydroxide, Fluoride	U			M
Bijvoetite-(Y)	Oxide Hydroxide Carbonate	U	‡
Billietite	Oxide, Hydroxide	U		r	**
Bismutopyrochlore	Oxide Hydroxide	U
Blatonite	Carbonate	U		r	**
Boltwoodite	Silicate, Hydroxide	U			**
Brabantite	Phosphate	Th
Brannerite	Oxide	U		R
Britholite-(Ce)	Hydroxide Fluoride Phosphate Silicate	Th	‡		**
Brockite	Phosphate	Th	†
Calciobetafite	Oxide	U (minor) Th (minor)
Calciosamarskite	Niobate	U	†
Calciothorite	Silicate Oxide	Th		L, N
Calciouranoite	Oxide	U		C
Calcioursilite	Silicate Hydroxide	U		L, (?)
Calcurmolite	Hydroxy Molbdinate	U
Carnotite	Vanadate	U			*
Cejkaite	Carbonate	U
Cerianite-(Ce)	Oxide	Th	†
Chadwickite	Arsenate	U
Cheralite-(Ce)	Phosphate Silicate	Th	†		*
Chernikovite	Phosphate	U
Chevkinite-(Ce)	Silicate Oxide	Th (Minor)	†		(**)
Chistyakovaite	Arsenate Fluoride Hydroxide	U		L
Ciprianiite	Borate Silicate Fluoride Hydroxide	U & Th	‡		**
Clarkeite	Oxide Hydroxide	U
Cleusonite     (proposed name)	Oxide Hydroxide	U
Cliffordite	Tellurate	U
Cobalt-Zippeite	Sulfate Hydroxide	U
Coconinoite	Phosphate Sulfate Hydroxide	U			*
Coffinite	Hydroxy Silicate	U			*
Compreignacite	Oxide Hydroxide	U
Cousinite	Molybdate	U		L
Coutinhoite	Silicate	U, Th
Cuprosklodowskite	Silicate	U			**
Cuprozippeite	Sulfate Hydroxide	U		L, N
Curienite	Vanadate	U		r	**
Curite	Oxide, Hydroxide	U		R!!, r	**
Davidite-(Ce)	Rare Earth Oxides	U (Minor)	‡
Davidite-(La)	Rare Earth Oxides	U (Minor)	‡
Deliensite	Hydroxy Sulfate	U
Deloryite	Hydroxide Molybdate	U
Demesmaekerite	Hydroxide Selenate	U			**
Derriksite	Hydroxy Selenate	U
Dessauite-(Y)	Oxide	U
Dewindtite	Oxide Hydroxy Phosphate	U			*
Dumontite	Phosphate Hydroxide	U
Ekanite	Silicate	U (?) & Th
Enalite	Silicate Oxide	Th		(?), L
Eucrasite	Silicate Oxide	Th		(?), L
Euxenite-(Y)	Oxide, Hydroxide	U (Trace) Th (Trace)	‡		**
Eylettersite	Phosphate Silicate Hydroxide	Th
Ferganite	Vanadate	U		(?), L May be Tyuyamunite or Uvanite
Ferrothorite	Silicate Oxide	Th		(?), L
Fontanite	Carbonate	U
Fourmarierite	Oxides Hydroxides	U
Francevillite	Vanadate	U			**
Françoisite-(Nd)	Phosphate Oxide Hydroxide	U	‡
Freyalite	Silicate Oxide	Th (Trace?)		(?), L
Fritzscheite	Phosphate Vanadate	U
Furongite	Phosphate	U
Gilpinite	Sulfate Hydroxide	U		(?), L (Ferrous variety of Johannite)
Grayite	Phosphate	Th
Grimselite	Carbonate	U
Guilleminite	Selenate	U			**
Gummite	Oxide	U		R!, X	*
Haiweeite	Hydroxide, Silicate	U		C	**
Hallimondite	Arsenate	U
Haynesite	Selenate	U			**
Heinrichite	Arsenate	U		C	See
Hellandite-(Ce)	Hydroxide Silicate Borate	U & Th (Trace)	‡
Hellandite-(Y)	Hydroxide Silicate Borate	U & Th (Trace)	‡
Hügelite	Arsenate Hydroxide	U
Huttonite	Silicate	Th
Hydronium Uranospinite	Arsenate	U		L, (?)
Hydoxypetscheckite	Niobate Tantalate Hydroxide	U		(?) (see Petscheckite)
Ianthinite	Oxide	U
Iraqite-(La)	Aluminate Silicate	Th	†
Iriginite	Molybdate	U
Ishikawaite	Niobate Tantalate	U
Jáchymovite	Sulfate Hydroxide	U
Johannite	Hydroxide Sulfate	U			**
Joliotite	Carbonate	U
Kahlerite	Arsenate	U		C
Kamitugaite	Phosphate Arsenate Hydroxide	U
Kamotoite-(Y)	Carbonate	U	‡		*
Karnasurtite-(Ce)	Oxide Hydroxide	Th	†
Kasolite	Silicate	U			**
Kivuite	Phosphate Oxide Hydroxide	U & Th		(?)
Kobeite-(Y)	Titanate Niobate Hydroxide	U	†		**
Kukharenkoite-(La)	Carbonate Fluoride	Th	‡
Larisaite	Oxide Selenate	U			**
Lehnerite	Phosphate	U
Lepersonnite-(Gd)	Carbonate Silicate	U	†
Lermontovite	Phosphate	U
Liandratite	Niobate Tantalate	U
Liebigite	Carbonate	U			(**)
Magnesium-Zippeite	Sulfate Hydroxide	U
Magnioursilite	Silicate Hydroxide	U		L, (?)
Marecottite	Sulfate	U
Margaritasite	Vanadate	U			*
Marthozite	Oxide, Selenate	U			**
Masuyite	Plumbate Hydroxide	U			**
Mckelveyite-(Y)	Carbonate	U
Melanocerite-(Ce)	Borate Fluoride Hydoxide Oxide	Th	‡		*
Meta-Ankoleite	Phosphate	U		c
Meta-Autunite	Phosphate	U			**
Metacalciouranoite	Oxide	U		L
Metahaiweeite	Silicate	U
Metaheinrichite	Arsenate	U			**
Metakahlerite	Arsenate	U
Metakirchheimerite	Arsenate	U		c
Meta-Lodèvite	Arsenate	U		c
Metanatroautunite	Phosphate	U
Metanovácekite	Arsenate	U			**
Metaschoepite	Trioxide	U
Metastudtite	Oxide	U
Metatorbernite	Phosphate	U		R	**
Metatyuyamunite	Vanadate	U
Meta-Uranocircite	Phosphate	U			**
Meta-Uranopilite	Sulfate Hydroxide	U
Meta-Uranospinite	Arsenate	U		(?)
Metavandendriesscheite	Oxide	U
Metavanmeersscheite	Phosphate Hydroxide	U
Metavanuralite	Hydroxide Vanadate	U
Metazellerite	Carbonate	U
Meta-Zeunerite	Arsenate	U
Moctezumite	Tellurite	U
Moluranite	Molybdenate	U
Monazite-(Ce)	Phosphate	Th (minor)	‡		**
Monazite-(La)	Phosphate	Th (minor)	‡
Monazite-(Nd)	Phosphate	Th (minor)	‡
Monazite-(Sm)	Phosphate	Th	‡
Moreauite	Phosphate Hydroxide	U
Mourite	Molybdenate Hydroxide	U
Mundite	Phosphate Hydroxide	U
Nickel Zippeite	Sulfate Hydroxide	U
Ningyoite	Phosphate	U	†
Novácekite	Arsenate	U		C
Orthobrannerite	Hydroxide Titanate	U
Orthochevkinite	Silicate	Th (Trace)	‡	(?)
Orthojoaquinite-(Ce)	Oxide Hydroxide Silicate	Th (Trace)	†	(?)
Orthojoaquinite-(La)	Oxide Hydroxide Fluoride Silicate	Th (Trace)	‡	(?)
Orthowalpurgite	Borate Iodide Arsenate	U
Oswaldpeetersite	Hydroxide Carbonate	U			**
Oursinite	Silicate	U
Oxy-Petscheckite	Niobate Tantalate	U		(?), (see Petscheckite)
Paraschoepite	Trioxide	U
Parsonsite	Phosphate	U
Perrierite-(Ce)	Silicate	Th (Trace)	†		**
Petscheckite	Niobate Tantalate	U
Phosphowalpurgite	Oxide Phosphate	U
Phosphuranylite	Phosphate Hydroxide	U			**
Phuralumite	Phosphate Hydroxide	U
Phurcalite	Oxide Phosphate	U			*
Piergorite	Silicate Borate Hydroxide Fluride			L	**
Piretite	Selenate Hydroxide	U
Plumbobetafite	Hydroxide Fluoride	U
Plumbomicrolite	Tantalate Hydroxide	U			**
Plumbopyrochlore	Oxide Hydroxide	U (Trace)	†
Polycrase-(Y)	Oxides	U, Th	‡		**
Protasite	Oxide Hydroxide	U
Przhevalskite	Phosphate Hydroxide	U
Pseudo-Autunite	Phosphate	U
PseudoJohannite	Hydroxide Sulfate	U
Rabbittite	Hydroxide Carbonate	U
Rabejacite	Hydroxy Sulfate	U
Radian Barite	Sulfate	Ra		N, !!!R!!!
Rameauite	Oxide	U
Ranunculite	Phosphate	U
Rauvite	Vanadate	U		X	*
Renardite	Hydroxide Phosphate	U		?N?
Richetite	Plumbate	U
Romanite	Oxide	U
Roubaultite	Carbonate Oxide Hydroxide	U
Rutherfordine	Carbonate	U			**
Sabugalite	Phosphate	U			**
Saléeite	Phosphate	U			**
Samarskite-(Y)	Oxide	U	‡
Samarskite-(Yb)	Oxide	U, Th	‡	L	*
Saryarkite-(Y)	Hydroxide Phosphate Sulfate Silicate	Th	‡
Sayrite	Plumbate Hydroxide	U
Schmitterite	Tellurite	U			*
Schoepite	Oxide Hydroxide	U		C	**
Schröckingerite	Sulfate Carbonate Fluoride	U			**
Sedovite	Molybdate	U
Seelite-1	Arsenate	U
Seelite-2	Arsenate	U
Sengierite	Vanadate	U
Shabaite-(Nd)	Carbonate Hydroxide	U
Sharpite	Carbonate Hydroxide	U
Sklodowskite	Silicate	U		R!	**
Soddyite	Silicate	U			**
Sodium Autunite	Phosphate	U
Sodium-Boltwoodite	Silicate Hydroxide	U
Sodium Uranospinite	Arsenate	U
Sodium-Zippeite	Sulfate Hydroxide	U			*
Spriggite	Oxide hydroxide	U
Steacyite	Silicate	Th
Steenstrupine-(Ce)	Phosphate Silicate	Th (minor)	†		**
Strelkinite	Vanadate	U
Studtite	Oxide	U		C
Swamboite	Silicate	U			**
Swartzite	Carbonate	U		C, F	*
Tengchongite	Molybdate	U
Thorbastnäsite	Fluoro Carbonate	Th	†
Thorian Britholite-(Ce)	Silicate Phosphate Fluoride Hydroxide	Th	†	(?), L
Thorianite	Oxide	Th			**
Thorian Pyrochlore	Oxide Hydroxide Fluoride	Th (Trace?)		(?)
Thorite	Silicate	Th & U			**
Thornasite	Silicate Fluoride Chloride Hydroxide	Th
Thorogummite	Silicate	Th, U
Thorosteenstrupine	Silicate Fluoride Hydroxide	Th
Thorutite	Hydroxy Titanate	Th, U
Threadgoldite	Phosphate Hydroxide	U			*
Thucolite	Mixture of Oxides & Sulfides in Organic matter	U (Trace?)
Torbernite	Phosphate	U		C, R	(See)
Triangulite	Phosphate Hydroxide	U
Trinitite	Fused sand/earth from the Trinity Flats Nuclear Detonation of 16 July 1944	(Pu) (trace)		N, X	*
Tristramite	Phosphate Sulfate	U
Tritomite-(Ce)	Silicate Borate Fluoride Hydoxide	Th (minor)	‡
Trögerite	Arsenate	U
Tuliokite	Carbonate	Th
Turkestanite	Silicate	Th
Tyuyamunite	Vanadate	U		C
Ulrichite	Phosphate	U			**
Umbozerite	Hydroxide, Oxide, Silicate	Th
Umohoite	Molybdate	U
Upalite	Phosphate Oxide Hydroxide	U
Uramphite	Ammonium Phosphate	U		r!	**
Urancalcarite	Carbonate Hydroxide	U
Uraninite	Oxide	U		F	**
Uranmicrolite	Tantalate Niobate Fluoride Hydroxide	U
Uranocircite	Phosphate	U		C
Uranohydrothorite (A hydrated form of Uranothorite)	Silicate	U & Th		(?)
Uranophane	Silicate	U			**
Uranophane-beta	Hydroxide, Silicate	U
Uranophane-M	Hydroxide, Silicate	U		L
Uranopilite	Sulfate Hydroxide	U		C	**
Uranopolycrase	Titanate Niobate	U	†
Uranosilite	Oxide	U
Uranospathite	Phosphate	U
Uranosphaerite	Oxide	U
Uranospinite	Arsenate	U		C	*
Uranothorite-01	Silicate	U, Th		L, N
Uranotungstite	Wolframate Hydroxide	U
Uranpyrochlore	Oxide Hydroxide Fluoride	U	†		**
Uranyl Molybdate-Cs	Molybdate	U		(?), L
Uranyl Molybdate-K	Molybdate	U		(?), L
Uranyl Molybdate-Na type I	Molybdate	U		(?), L
Uranyl Molybdate-Na type II	Molybdate	U		(?), L
Uranyl Molybdate-NH	Molybdate	U		(?), L
Ursilite	Silicate Hydroxide	U
Uvanite	Vanadate	U
Vandenbrandeite	Hydroxide	U		R	**
Vandendriesscheite	Oxide	U		C
Vanmeersscheite	Phosphate Hydroxide	U		C
Vanuralite	Hydroxide, Vanadate	U		C	*
Vanuranylite	Vanadate	U		(?), L
Vicanite-(Ce)	Borate Silicate Fluoride	Th	‡
Vochtenite	Phosphate	U
Voglite	Carbonate	U
Vyacheslavite	Phosphate Hydroxide	U
Walpurgite	Arsenate Oxide	U			**
Weeksite	Silicate	U			*
Widenmannite	Carbonate	U
Wolsendorfite	Oxide	U
Wyartite	Carbonate Hydroxide	U
Xiangjiangite	Phosphate Sulfate Hydroxide	U
Yingjiangite	Hydroxide Phosphate	U
Yttrialite-(Y)	Silicate	Th	†
Yttrobetafite-(Y)	Titanate Niobate Tantalate Hydroxide	U & Th	‡
Yttrocolumbite-(Y)	Niobate Tantalate	U	†	L
Yttrocrasite-(Y)	Oxide Hydroxide	U & Th	†	L
Yttropyrochlore-(Y)	Oxide Hydroxide	U	†
Yttrotantalite-(Y)	Niobate Tantalate	U	†
Zellerite	Carbonate	U		C
Zeunerite	Arsenate	U		C	**
Zinc-Zippeite	Sulfate Hydroxide	U		L
Zippeite	Sulfate Hydroxide	U			*
Zirconolite-3O	Oxide	Th (minor)
Zirkelite	Titanate Niobate	Th	‡		*
Znucalite	Hydroxy Carbonate	U			*

Notes Key
Information Sheet Notes
C	Converts to Meta- form (which see)	c	No accepted or known non-meta form of this mineral
F	This mineral is known to occur as a fossil	f
L	Little to no information available	l
N	Not an accepted mineral species (includes discredited mineral species)	(?)	May not be a true mineral species (includes mineral species pending approval)
R	Specimens may be exremely radioactive             (>0.5 mR/hr)	r	Crystals are normally small             (>1.0 mm)
X	Non-crystaline species
!	Indicates preceeding property is in the extreme
Uranium and/or Thorium
U	Uranium mineral	Th	Thorium mineral
(minor)	Less than 5% of Uranium or Thorium content by weight	(trace)	Less than 1% of Uranium or Thorium content by weight
REE (Rare Earth Elements)
†	One REE present at 1% or more	‡	Two or more REE's present at 1% or more
High Resolution Photomicrograph Available
*	Non-Crystaline Photomicrograph(s) (Location Known)	**	Crystaline Photomicrograph(s) (Location Known)
(*)	Non-Crystaline Low Resolution Photomicrograph(s) (Location Known)	(**)	Crystaline Low Resolution Photomicrograph(s) (Location Known)
+	Non-Crystaline Photomicrograph(s) (Location Unknown)	++	Crystaline Photomicrograph(s) (Location Unknown)
m	Photograph(s) (Location Known)	M	Photograph(s) (Location Unknown)