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Gummite




Colour:Orange, yellow, ...Hardness:2½ - 5
Name:In allusion to the gum-like or rubber-like (rubber = gummi in German) appearance of some early material.
A Mixture Of:Boltwoodite, Clarkeite, Curite, Kasolite, Soddyite, Uraninite, Uranophane


A mixture of uraninite and secondary uranium minerals of variable composition.

Classification of Gummite

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Physical Properties of Gummite

Lustre:Vitreous, Waxy, Greasy, Dull
Diaphaneity (Transparency):Translucent
Colour:Orange, yellow, orange-red, red-brown, brown-black, black
Streak:Yellow, brownish, olive-green
Hardness (Mohs):2½ - 5
Tenacity:Brittle
Cleavage:None Observed
Fracture:Irregular/Uneven, Conchoidal
Density (measured):3.9 - 6.4 g/cm3

Other Names for Gummite

Synonyms:
EliasitePittiniteUranogummite
Other Languages:
Dutch:Gummiet
German:Eliasit
Fester Uranocker
Gummierz
Gummit
Lichtes Uranpecherz
Phosphor-Gummit
Phosphorogummit
Pittinit
Urangummi
Urangummit
Uranisches Gummi-Erz
Uranisches Pittin-Erz
Uranogummit
Spanish:Eliasita
Gummita
Pittinita
Uranogummita
Ukrainian:Ґуміт
Varieties:
CoraciteYttrogummite

Other Information

Health Warning:Contains uranium - always wash hands after handling. Avoid inhaling dust when handling or breaking. Never lick or ingest. Avoid prolonged exposure in proximity of the body. Store away from inhabited areas.

References for Gummite

Reference List:Breithaupt (1847): 903 (as urangummi).

Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged: 622-624.

Frondel, C. (1956) The mineralogical composition of gummite. American Mineralogist: 41: 539-568.

Internet Links for Gummite

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    Localities for Gummite

    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Argentina
     
    • Córdoba
      • Quebrada del Tigre
    American Mineralogist: 46: 12-25.
    Australia
     
    • New South Wales
      • Gough Co.
        • Gilgai
          • Clive
    R.E Brown and W.J Stroud, Metallogenic Study and Mineral Deposit Data Sheets, 1997.
    • South Australia
      • Flinders Ranges
        • North Flinders Ranges
          • Lyndhurst
            • Nichol Nob
          • Mount Fitton homestead
          • Mt Painter area
    Coats & Blissets 1971 Bull 43, SA Mines Department.
      • Mt Lofty Ranges
        • South Mt Lofty Ranges
          • Fleurieu Peninsula
            • Myponga
    South Australian Museum collections / Parkin, L; 1957; The Myponga Uranium project, SA Mineral Review,103, pp. 46-53; American Mineralogist: 46: 12-25.
      • Olary Province
        • Old Boolcoomata Station
          • Ameroo Hill
    1983, Noble, RJ, Just, J & Johnson J, Catalogue of South Australian Minerals - 1983.
    • Tasmania
      • Rossarden district
    Bottrill & Baker (in prep) Catalogue of minerals of Tasmania
    Austria
     
    • Carinthia
      • Saualpe Mts
        • Reisberg
    G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
    Brazil
     
    • Minas Gerais
      • Doce valley
        • Galiléia
          • Sapucaia do Norte
    Cassedanne, J.P. & Baptista, A. (1999): Famous Mineral Localities: The Sapucaia Pegmatite Minas Gerais, Brazil. Mineralogical Record, 30: 347-360 + 365
    Canada
     
    • Northwest Territories
      • Mackenzie District
    No reference listed
    • Ontario
      • Algoma District
        • Blind River-Elliot Lake uranium district
    Robertson, J.A. (1976) The Blind River Uranium Deposits: the ores and their setting. (Ontario Division of Mines, Miscellaneous paper 65)
    • Québec
      • Outaouais
        • Les Collines-de-l'Outaouais RCM
          • Val-des-Monts
    Rocks & Min. 40(7):485-488.
    • Saskatchewan
      • Beaverlodge Region
        • Goldfields District
          • Beaverlodge Lake
    Jeremy Zolan
    Chile
     
    • Atacama Region
      • Huasco Province
        • Carrizal Alto district
    C. Ruiz Fuller/F. Peebles (1988): "Yacimientos metalíferos de Chile": Fondecyt, Stgo de Chile.
    C. Ruiz Fuller/F. Peebles (1988): "Yacimientos metalíferos de Chile": Fondecyt, Stgo de Chile.
    Democratic Republic of Congo (Zaïre)
     
    • Katanga (Shaba)
      • Katanga Copper Crescent
        • Western area
          • Kolwezi
            • Kamoto
    Lapis 17(3), 13-40 (1992)
    Finland
     
    • Itä-Suomen Lääni
      • Joensuu
    http://en.gtk.fi/ExplorationFinland/Commodities/Uranium/paukkajanvaara.html
    France
     
    • Auvergne
      • Haute-Loire
        • La Chaise-Dieu
    J.-J. Périchaud: "Les Minéraux d'Auvergne", Vol. 2, 1986
        • Monistrol-sur-Loire
          • Charles
    J.-J. Périchaud: Les Minéraux d'Auvergne, Vol. 2, Clermont-Ferrand (1986)
      • Puy-de-Dôme
        • Puy-Guillaume
          • Lachaux
    • Brittany
      • Côtes-d'Armor
        • Guingamp
    Schillinger N, Schillinger F., Lechenne G. (2001), Galène et améthyste de Bégard, Massif de Plouaret (Côtes d'Armor), Le Règne Minéral, n°42, pp: 10-15
        • Lannion
    [http://www.zampano.com/minmax/fundort.php3?lang=US&fp=1341&foid=1078]
      • Finistère
        • Brest
          • Bohars
    R.PIERROT, L. CHAURIS, C. LAFORET (1973) : "Inventaire minéralogique de la France : 29- Finistère.", B.R.G.M. Paris.
          • Guilers
    R.PIERROT, L. CHAURIS, C. LAFORET (1973) : "Inventaire minéralogique de la France : 29- Finistère.", B.R.G.M. Paris.
          • Lambézellec
    R.PIERROT, L. CHAURIS, C. LAFORET (1973) : "Inventaire minéralogique de la France : 29- Finistère.", B.R.G.M. Paris.
      • Morbihan
        • Le Faouët
          • Berné
    R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
        • Lignol
          • Keriar
    R. Pierrot, L. Chauris, C Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
    R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
    R. Pierrot, L. Chauris, C Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
    R. Pierrot, L. Chauris, C Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
          • Saint-Yves
    R. Pierrot, L. Chauris, C Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
        • Pontivy
          • Guern
    R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
    R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
    R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
    R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
            • Melrand
    R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
    R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
    R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
          • Persquen
            • Bubry
    R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
    R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
    R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
    R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
    R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
    R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
    R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
    • Burgundy
      • Saône-et-Loire
        • Issy-l'Evêque
          • Grury
    Le Règne Minéral, Hors Série IV, 1998
    • Limousin
      • Creuse
    J. Chervet, G. Branche : "Contribution à l'étude des minéraux secondaires d'uranium français", ENSP Nancy, 1955
      • Haute-Vienne
        • Bessines-sur-Gartempe
    http://perso.wanadoo.fr/jeldemine/listes%20mineraux.html
    Le Règne Minéral, Hors Série IV, 1998
        • Compreignac
    Le Règne Minéral, Hors Série IV, 1998
    Le Règne Minéral, Hors Série IV (1998)
        • Mailhac
    Econ Geol (1997) 92:448-467
        • Razès
        • Saint-Sylvestre
          • La Crouzille
    Le Règne Minéral, Hors Série IV, 1998
    • Pays de Loire
      • Loire-Atlantique
        • Gétigné
    Le Règne Minéral, Hors Série IV, 1998
      • Vendée
        • Les Herbiers
    J. Geffroy, J.A. Sarcia, J. Chervet : "Les Minéraux Uranifères Français", 1960, Institut National des Sciences et Techniques Nucléaires / Saclay - PUF.
    • Poitou-Charentes
      • Deux-Sèvres
        • La Chapelle Largeau
    AFM 1-2002
    • Provence-Alpes-Côte d'Azur
      • Alpes-Maritimes
        • Saint-Sauveur-sur-Tinée
          • Valdeblore
            • Col Ferrière
    R. Pierrot, P. Picot, J. Féraud, J. Vernet : "Inventaire Minéralogique de la France N° 4 : Alpes-Maritimes", BRGM, 1974
    • Rhône-Alpes
      • Loire
        • Saint-Just-en-Chevalet
          • Saint-Priest-la-Prugne
            • Les Bois-Noirs Mining Claim
    J.-J. Périchaud: "Où trouver les minéraux d'Auvergne", Vol. 1, Editions l'Instant Durable (Clermont-Ferrand), 1985, p. 92; J.-J. Périchaud: "Où trouver les minéraux d'Auvergne", Vol. 1, Editions l'Instant Durable (Clermont-Ferrand), 1985, p. 92
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Waldshut
          • Detzeln
    Falkenstein, F. (2010): Ein bislang unbekanntes Mineral- und Fossilvorkommen im Porphyr-Steinbruch bei Detzeln, im südöstlichsten Schwarzwald. Aufschluss, 61, 157-74.
    • Bavaria
      • Franconia
        • Fichtelgebirge
          • Weißenstadt
            • Großschloppen
    DILL, H. G. and KOLB, S.G. (1986): The Großschloppen-Hebanz uranium occurrences. A prototype of mineralized structure zones associated with desilification and silification processes (F.R. Germany/N Bavaria). - In: Uranium Vein-Type Deposits (Ed. H.D. Fuchs), International Atomic Energy Agency, 287-303
    • Saxony
      • Erzgebirge
    Lapis, 17 (12), 24-33.
        • Schneeberg District
          • Neustädtel
            • Weißer Hirsch Mine (Shaft 3)
    Lapis 30(7/8):41-70 (2005)
      • Vogtland
        • Oelsnitz
    Gröbner, J. and Kolitsch, U. (2007): The minerals of the uranium prospect at Tirpersdorf, Vogtland. Lapis 32, 37-42; 58. (in German)
    India
     
    No reference listed
    Italy
     
    • Lombardy
      • Varese Province
    Daniele Ravagnani Giacimenti uraniferi italiani - Gruppo Min, Lombardo-Museo Civico di Storia Naturale - Milano 1974
    • Piedmont
      • Cuneo Province
        • Casotto Valley
          • Pamparato
    . Ravagnani - I giacimenti uraniferi italiani - Gruppo Mineralogico Lombardo - Museo Civico di Storia Naturale di Milano - 1974
        • Maira Valley
          • Preit
    Ravagnani, D. (1974): I Giacimenti uraniferi italiani e i loro minerali. Gruppo Mineralogico Lombardo - Museo Civico di Storia Naturale, Ed., Milano, 188 pp.
        • Roburent
          • San Giacomo
            • I Cardin
    D. Ravagnani - I giacimenti uraniferi italiani - Gruppo Mineralogico Lombardo - Museo Civico di Storia Naturale di Milano - 1974
    • Sardinia
      • Cagliari Province
        • Assemini
    Stara, P. (1990): La miniera di San Leone (CA). Rivista Mineralogica Italiana, 3/1990, 121-136.
    • Trentino-Alto Adige
      • Trento Province
        • Daone
          • Limes
    Daniele Ravagnani - I giacimenti uraniferi italiani - Gruppo Min. Lombardo - Museo Civico di Storia Naturale di Milani, 197
    Japan
     
    • Honshu Island
      • Tohoku Region
        • Fukushima Prefecture
          • Kawamata
            • Iizaka (Iisaka) Village
    [var: Yttrogummite] Van King specimen
    Madagascar
     
    • Antsiranana Province
      • Sava (Northeastern) Region
        • Vohémar District
          • Maromokotra Commune
    Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
    • Fianarantsoa Province
      • Matsiatra Region
        • Ampandramaika-Malakialina Pegmatite Field
          • Ikalamavony District
            • Fitampito Commune
              • Andanoa
    Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
    Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive. p 19
    Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
    Norway
     
    • Aust-Agder
      • Arendal
        • Stokken
    [var: Yttrogummite] Nordenskiöld, A.E. (1878): Mineralogiska bidrag 5. Cleveit, ett nytt yttro-uran mineral från Garta felsspatsbrott nära Arendal. Geologiska Föreningen i Stockholm Förhandlingar , 4: 28-32
      • Evje og Hornnes
        • Flatebygd
    [minmax website]
        • Landsverk
    Info. board at the mine, 2005.
    • Østfold
      • Sarpsborg
        • Isesjøen
    Harald Bjørlykke (1939): Feltspat V. De sjeldne mineraler på de norske granittiske pegmatittganger, NGU Nr. 154
        • Setreåsen
    Harald Bjørlykke: Feltspat V. De sjeldne mineraler på de norske granittiske pegmatittganger, NGU Nr. 154, 1939
    • Telemark
      • Bamble (Bamle)
        • Kjørstad (Kjørrestad)
    field collected by Knut Eldjarn, visually identified.
    Poland
     
    • Lower Silesia (Dolnośląskie)
      • Izerskie Mts
        • Jelenia Góra District
    Banaś 1970: Wstępne dane o minerałach uranu strefy Kopańca. Spraw. z Pos. Kom. Nauk PAN Oddz. w Krakowie T. 13/1
    Portugal
     
    • Viseu District
      • Mangualde
        • Chãs de Tavares
          • Tragos
        • Cunha Baixa
    Russia
     
    • Northern Region
      • Karelia Republic
        • Northern Karelia
    P.M. Kartashov data
    Pavel M. Kartashov data
    Slovenia
     
    • Todraž
    Dolenec, T. (1985): Secondary uranium minerals from the Zirovski Vrh uranium ore deposit. Rudarsko-Metalurski Zbornik 32, 195-206 (in Serbo-Croatian)
    Spain
     
    • Castile and Leon
      • Salamanca
        • Saelices group
    Econ Geol (1994) 89:584-601
    • Catalonia
      • Lleida (Lérida)
        • El Pallars Jussà
          • La Torre de Cabdella
            • La Plana de Mont-ros
              • Castell-estaó
    Mata-Perelló (1990) "Els minerals de Catalunya" Institut d'Estudis Catalans, Barcelona: 441p
    USA
     
    • Alaska
      • Northwest Arctic Borough
        • Fairhaven District
    U.S. Geological Survey, 2008, Alaska Resource Data File (ARDF): U.S. Geological Survey Open-File Report 2008-1225.
    U.S. Geological Survey, 2008, Alaska Resource Data File (ARDF): U.S. Geological Survey Open-File Report 2008-1225.
      • Prince of Wales-Outer Ketchikan Borough
        • Ketchikan District
    U.S. Geological Survey, 2008, Alaska Resource Data File (ARDF): U.S. Geological Survey Open-File Report 2008-1225.
    • Arizona
      • Apache Co.
        • Navajo Indian Reservation
          • Monument Valley
            • Monument No. 2 channel
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 241; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 35.
      • Coconino Co.
        • Cameron District
    No reference listed
      • Pima Co.
        • Tohono O'odom (Papago) Indian Reservation
          • Quijotoa Mts
            • Quijotoa District
              • Quijotoa (Covered Wells)
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 241, 399; Robinson, R.L. (1955), Linda Lee claims, Pima Co., AZ, US Atomic Energy Comm. Prelim. Reconn. Rept. A-P-331.
    • California
      • Kern Co.
        • Erskine Creek District
          • Bodfish
    Walker, G.W., Lovering, T.G., and Stephens, H.G. (1956), Radioactive Deposits in California: Special Report 49 of the Californnia Division of Mines & Geology: 31; Troxel, Bennie Wyatt & P.K. Morton (1962), Mines and mineral resources of Kern County, California: California Division Mines & Geology County Report No. 1, 370 pp.: 335; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 209, 378.
    Anonymous (1954), California Division of Mines, Mineral Information Service: 7(Dec 54): 2, 18; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 209.
        • Rosamond
    Walker, G.W., Lovering, T.G., and Stephens, H.G. (1956), Radioactive Deposits in California: Special Report 49 of the Californnia Division of Mines & Geology: 15; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 329.
    Walker, G.W., et al (1956), Radioactive deposits in California: California Division Mines Special Report 49: 15; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 209.
        • Tehachapi Mts
          • Tehachapi
    Walker, G.W., Lovering, T.G., and Stephens, H.G. (1956), Radioactive Deposits in California: Special Report 49 of the Californnia Division of Mines & Geology: 17; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 209.
      • Sonoma Co.
    Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 209.
    • Colorado
      • Grand Co.
        • Wheeler Basin
    Minerals of Colorado (1997) Eckels, E. B.
      • Gunnison Co.
    Minerals of Colorado (1997) Eckels, E. B.
      • Jefferson Co.
        • Ralston Buttes District
    Minerals of Colorado (1997) Eckels, E. B.
      • La Plata Co.
        • Needle Mountain District (Tacoma District; Florida District; Vallecito District)
    Minerals of Colorado (1997) Eckels, E. B.
      • Larimer Co.
        • Crystal Mountain Pegmatite District (Storm Mountain District)
    Minerals of Colorado (1997) Eckels, E. B.
    Minerals of Colorado (1997) E.B. Eckels
    Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 30 (Table A-1).
    Minerals of Colorado (1997) Eckels, E. B.
          • Storm Mountain
    Minerals of Colorado (1997) Eckels, E. B.
      • Routt Co.
        • Slavonia District
    Minerals of Colorado (1997) Eckels, E. B.
    Minerals of Colorado (1997) E.B. Eckels
      • Saguache Co.
    Minerals of Colorado (1997) Eckels, E. B.
    • Connecticut
      • Fairfield Co.
        • Bethel
    Januzzi, 1976. Mineral Localities of CT and Southeastern NY State
        • Danbury area
    J. Zolan Specimen #93
        • Redding
          • Branchville
    Januzzi, 1976. Mineral Localities of CT and Southeastern NY State
    Januzzi, 1976. Mineral Localities of CT and Southeastern NY State
      • Litchfield Co.
        • New Milford
          • Upper Merryall
    Januzzi, 1976. Mineral Localities of CT and Southeastern NY State
        • Watertown
          • Rt. 7
    Bill Barret Coll. Specimen, Minerals identified by Jeremy Zolan
      • Middlesex Co.
        • Haddam
          • Haddam Neck
    Earl Ingerson. American Mineralogist, Vol. 23, No. 4, April 1938, pp. 269-276
    Rutley, 12th Ed. (1900)
        • Portland
    • Maine
      • Androscoggin Co.
        • Auburn
          • Mt. Apatite District
    USGS Bull 445
      • Oxford Co.
        • Albany
    King, V. (ed.), 2009, Maine feldspar, Families, and Feuds
        • Greenwood
    King & Foord, 1994. Mineralogy of Maine, V.1
        • Rumford
    King & Foord, 1994. Mineralogy of Maine, V.1
    No reference listed
      • Sagadahoc Co.
        • Georgetown
    King & Foord, 1994. Mineralogy of Maine, Vol. 1., p.178.
    • Massachusetts
      • Hampden Co.
        • Blandford
    "Western Massachusetts Mineral Localities" by Plante, A.R., Valley Geology Press, 1992
        • Chester
    Plante, A. (1992): Western Massachusetts Mineral Localities (Valley Geology, Greenfield, Mass)
      • Hampshire Co.
        • Pelham
    Emerson, B.K. Geology of Massachusetts and Rhode Island, 1917. (USGS Bulletin 597), p.216-217.
      • Worcester Co.
        • Fitchburg
    Emerson, B.K. Geology of Massachusetts and Rhode Island, 1917. (USGS Bulletin 597), p.237
    • Montana
      • Jefferson Co.
        • Boulder District
          • Boulder Batholith
            • Boulder Mts.
              • Sugarloaf Mtn.
    USGS Bulletin 988-G(1953)
        • Clancy-Lump Gulch District
    Am Min (1957) 42:222-239
    • Nevada
      • Humboldt Co.
        • Disaster District
    NBMG Bull 59 Geology and Mineral Resources of Humboldt County, Nevada
    NBMG Spec. Pub. 31 Minerals of Nevada
      • Mineral Co.
        • Marietta District
    Garside NBMG Bull 81 (1973)
      • Pershing Co.
        • Rye Patch District
    NBMG Bull 89 Geology and Mineral Resources of Pershing County, Nevada
      • Washoe Co.
        • Pyramid District
    NBMG Bull 70 Geology and Mineral Resources of Washoe and Storey Counties, Nevada
        • Stateline Peak District
    NBMG Bull 70 Geology and Mineral Resources of Washoe and Storey Counties, Nevada
    • New Hampshire
      • Cheshire Co.
        • Alstead
    Rocks & Min.: 15: 124.
    No reference listed
      • Grafton Co.
        • Alexandria
    Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index
    No reference listed
        • Grafton
    Rocks & Min.: 14:252.
    No reference listed
        • Groton
    Rocks & Min.: 16:208-211.; USGS Prof Paper 255; USGS Prof Paper 353
        • Orange
    Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index
      • Rockingham Co.
    Meyers & Stewart 1956. Geology of NH, Part III.
    Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index
      • Sullivan Co.
        • Acworth
    No reference listed
    • New Jersey
      • Morris Co.
        • Mt Olive Township
          • Mt Olive
    The Iron Mines of NJ (1910), Bayley:325-327.
    • New Mexico
    Northrop, Minerals of New Mexico, 3rd rev. ed., 1996
        • Grants District
          • Ambrosia Lake area
    NMBMMR Memoir 15 Geology and Technology of the Grants Uranium Region
    NMBMMR Memoir 15 Geology and Technology of the Grants Uranium Region
    NMBMMR Memoir 15 Geology and Technology of the Grants Uranium Region
    NMBMMR Memoir 15 Geology and Technology of the Grants Uranium Region
      • Rio Arriba Co.
    Northrop, Minerals of New Mexico, 3rd rev. Ed., 1996
    NMBMMR Bull 87 Mineral and Water Resources of New Mexico
      • San Miguel Co.
    Northrop, Minerals of New Mexico, 3rd Rev. Ed., 1996
    Minerals of New Mexico 3rd ed.
    The Minerals of New York City & Its Environs, New York Mineralogical Club Bull. Vol. 3, No. 1, Manchester, J.G. (1931): 84.
      • New York City
        • Manhattan (New York Co.)
          • Manhattan Island
    Anon (1888a) “Mr. William Hidden” Transactions of the New York Academy of Sciences Vol 7, May 1888 ; Anon (1888a) “Mr. William Hidden” Transactions of the New York Academy of Sciences Vol 7, May 1888
      • Sullivan Co.
    NY State Museum spec. no. 13932
      • Westchester Co.
    The Minerals of New York City & Its Environs, New York Mineralogical Club Bull., Vol. 3, No. 1, Manchester, J.G. (1931): 65.
    The Minerals of New York City & Its Environs, New York Mineralogical Club Bull. Vol. 3, No. 1, Manchester, J.G. (1931): 39 & 45-46.
    • North Carolina
      • Buncombe Co.
    No reference listed
      • Henderson Co.
    www.excaliburmineral.com
    No reference listed
    Jay Ellis Ransom, 1974, Gems and Minerals of America
    U.S Bureau of Mines/Spatial Data from the Minerals System/Mineral Industry Location System(Mas/Mils)CD-Rom,Sep,1995
    Mineral Commodity Files,Asheville Regional Office, North Carolina Geological Survey
        • Spruce Pine District
          • Crabtree Creek
    U.S Bureau of Mines/Spatial Data from the Minerals System/Mineral Industry Location System(Mas/Mils)CD-ROM,Sep,1995
          • Penland
    Rocks & Min.:11:77; 16:290 & 60:92.; Ross, Henderson, and Posnjak (1931), American Mineralogist: 16: 213.
          • Spruce Pine
    Rocks and Minerals (1985) 60:84-93,99
    Rocks & Min.: 11:76.
      • Yancey Co.
        • Crabtree Creek headwaters
    Lemanski collection (8161CL).
        • Spruce Pine District
          • Celo
            • Micaville
    U.S Bureau of Mines /Spatial Data from the Minerals System/Mineral Industry Location System(Mas/Mils)CD-Rom,Sep,1995
    • South Dakota
      • Custer Co.
        • Custer District
          • Berne
    R&M 75:3 pp 156-169
          • Custer
    R&M 75:3 pp 156-169
      • Pennington Co.
        • Keystone District
          • Glendale
    R&M 75:3 pp 156-169
          • Keystone
    R&M 75:3 pp 156-169
    • Texas
      • Burnet Co.
    Crook, W.W. (1977): The Clear Creek pegmatite: a rare earth pegmatite in Burnett County, Texas. Mineralogical Record, 8 (2):88-90.
      • Llano Co.
        • Bluffton
    USGS Bulletin 340, pp. 286-294. (1908); Am Min (1932) Volume 17, pages 381-390,
        • Kingsland Granite Company quarry (Petrick quarry)
    Self-collected by Franklin Roberts.
        • Llano
    Self-collected by David Aldridge, March, 2006.
    • Utah
      • Emery Co.
        • San Rafael District (San Rafael Swell)
          • Delta
    UGMS Bull 117 Minerals and Mineral Localities of Utah
      • San Juan Co.
        • Paradox Valley
          • Paradox Valley District
    UGMS Bull 117 Minerals and Mineral Localities of Utah
    • Washington
      • Chelan Co.
        • Chiwawa District
          • Phelps Ridge
            • Trinity
    Ref: Inventory of Washington Minerals, Part II, Metalic Minerals, Vol. 1; Marshall T. Huntting, 1956
      • Stevens Co.
        • Benjamin Lake
    Metal Mines of Washington-Preliminary Report; Derkey, Joseph, Lasmanis
        • Deer Trail District
          • Turtle Lake
    Cannon, B. (1975): Minerals of Washington, p.53
    • Wyoming
      • Converse Co.
    Rocks & Minerals 76:385
      • Fremont Co.
    Rocks & Minerals 76:386
      • Niobrara Co.
    Rocks & Minerals 76:388; USGS Bull 1009A
    Mineral and/or Locality
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