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Thorogummite

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Formula:
(Th,U)(SiO4)1-x(OH)4x
System:
Tetragonal
Colour:
Yellow-brown, ...
Hardness:
Name:
Named for its thorium content and Latin "gummi", gum, alluding to its gum-like appearance.
Compare thorite.
Discredited as a valid species in 2014 (IMA14-B). This name has been used to describe heterogeneous mixtures of secondary, non-crystalline minerals, produced by the alteration, hydration, or metamictization of thorite.

Classification of Thorogummite

Discredited 2014
51.5.2.5

51 : NESOSILICATES Insular SiO4 Groups Only
5 : Insular SiO4 Groups Only with cations in >[6] coordination
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First Recorded Occurrence of Thorogummite

Year of Discovery:
1889

Physical Properties of Thorogummite

Waxy, Dull
Colour:
Yellow-brown, yellow-green, black
Hardness (Mohs):

Crystallography of Thorogummite

Crystal System:
Tetragonal
Cell Parameters:
a = 7.06Å, c = 6.26Å
Ratio:
a:c = 1 : 0.887
Unit Cell Volume:
V 312.02 ų (Calculated from Unit Cell)

Chemical Properties of Thorogummite

Formula:
(Th,U)(SiO4)1-x(OH)4x
Essential elements:
All elements listed in formula:
Common Impurities:
U,Al,Fe,Pb,Mg,Ca,H2O,P,C

Other Names for Thorogummite

Other Information

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Thorogummite

Reference List:
American Journal of Science (1889): 138: 480.

Frondel, C. (1958): Systematic Mineralogy of Uranium and Thorium", GSC. Bull. 1064. [gives R.I. of 1.54-1.64]

American Mineralogist (1953): 38: 1007-1018.

Canadian Mineralogist (1989): 27: 643.

Internet Links for Thorogummite

Localities for Thorogummite

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 for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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
 
  • Jujuy
    • Tilcara Department
O. Haluska (1975). El Torio en la Naturaleza. Yacimientos de Torio en Argentina. Programa Prioritario de Plantas Químicas. Comisión Nacional de Energía Atómica. Buenos Aires, Argentina.
O. Haluska ((1975). El Torio en la naturaleza. Yacimientos de Torio en Argentina. Programa prioritario de Plantas Químicas. Comisión Nacional de Energía Atómica. Buenos Aires, Argentina.
        • Quebrada Tocante
O. Haluska ((1975). El Torio en la naturaleza. Yacimientos de Torio en Argentina. Programa prioritario de Plantas Químicas. Comisión Nacional de Energía Atómica. Buenos Aires, Argentina.
  • Salta
    • La Poma Department
Victorio Angellelli (1958). Los minerales de uranio sus yacimientos y prospección. Departamento de Geología y Minería. Comisión Nacional de Energía Atómica. Argentina.
Victorio Angellelli (1958). Los minerales de uranio sus yacimientos y prospección. Departamento de Geología y Minería. Comisión Nacional de Energía Atómica. Argentina.
Victorio Angellelli (1958). Los minerales de uranio sus yacimientos y prospección. Departamento de Geología y Minería. Comisión Nacional de Energía Atómica. Argentina.
Victorio Angellelli (1958). Los minerales de uranio sus yacimientos y prospección. Departamento de Geología y Minería. Comisión Nacional de Energía Atómica. Argentina.
Victorio Angellelli (1958). Los minerales de uranio sus yacimientos y prospección. Departamento de Geología y Minería. Comisión Nacional de Energía Atómica. Argentina.
    • Santa Victoria Department
O. Haluska (1975). El Torio en la naturaleza. Yacimientos de Torio en la Argentina. Programa Prioritario de Plantas Químicas. Comisión Nacional de Energía Atómica. Buenos Aires, Argentina.
O. Haluska (1975). El Torio en la naturaleza. Yacimientos de Torio en la Argentina. Programa Prioritario de Plantas Químicas. Comisión Nacional de Energía Atómica. Buenos Aires, Argentina.
Australia
 
  • Western Australia
    • Mukinbudin Shire
      • Mukinbudin
P Downes unpub data
    • Port Hedland Shire
AmMin 13:457
      • Wodgina Mine (Wodgina pegmatite)
Pegmatites of Western Australia; M Jacobson, M Calderwood, B Grguric; Hesperian Press, Perth, 2007.
Brazil
 
  • Minas Gerais
    • Poços de Caldas alkaline complex
      • Poços de Caldas
Baretto & Fujimori (1986)
Canada
 
  • Ontario
    • Haliburton Co.
      • Cardiff Township
Ref.: Geological Survey of Canada Miscellaneous Report 39.
    • Hastings Co.
      • Monteagle Township
ontariominerals.com
    • Thunder Bay District
      • Walsh Township
Potter, E. G. and Mitchell, R.H. (2005): Mineralogy of the Deadhorse Creek volcaniclastic breccia complex, northwestern Ontario, Canada. Contributions to Mineralogy and Petrology, 150 (2): 212-229
  • Québec
    • Outaouais
      • Les Collines-de-l'Outaouais RCM
        • Val-des-Monts
          • Lac Saint-Pierre (Wakefield Lake)
Geological Survey of Canada Miscellaneous Report 41.; Hogarth, D.D., Chao, G.Y., Plant. G.A. & Steacy, H. R. (1974): Caysichite, a new silico-carbonate of yttrium and calcium. Canadian Mineralogist.12: 293-298
Hogarth, D. et al., 1983, Classic Mineral Collecting Localities in Ontario and Quebec:, p. 29.
  • Yukon Territory
    • Dawson Mining District
Perrault et al. (1982) Can. Min. 20, 65
Canadian Mineralogist Vol. 20, pp. 65-75 (1982)
China
 
  • Jiangxi Province
    • Shangrao Prefecture
      • Yanshan Co. (Qianshan Co.)
Rengui Wu and Dagan Yu (2000): Uranium Geology 16(4), 204-211
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Ústí Region
      • Šluknov (Schluckenau)
Pauliš P., Kopecký S., Černý P. 2007: Uranové minerály České Republiky a jejich naleziště. 1. část. (Kutna Hora, issue 1)
  • Moravia (Mähren; Maehren)
    • Olomouc Region
      • Prostějov area
Škoda R., Čopjakova R. 2006: Authigenic REE mineralsfrom greywackes of the Drahany Uplands, Czech Republic and their significance for diagenetic processes. Mineralogia Polonica, vol. 28, 208-210
    • South Moravia Region
      • Moravský Krumlov
Filip, J., Houzar, S., Sulovský, P.: Allanit a produkty jeho přeměny z pegmatitu a ze skarnu u Rešic, západní Morava. Acta Musei Moraviae, Scientiae geologicae, 2002, roč. 87, s. 87 - 101.
Egypt
 
  • Red Sea Governorate
    • Eastern Desert
Abd El-Naby, H.H. (2009): Ore Geology Reviews 35, 436-446.
Germany
 
  • Bavaria
    • Franconia
      • Spessart
        • Aschaffenburg
          • Dörrmorsbach
A. Wittern: "Mineralfundorte in Deutschland", Schweizerbart (Stuttgart), 2001
Greenland
 
  • Sermersooq
    • Arsuk Fjord
      • Ivittuut (Ivigtut)
Petersen, O. V and K Secher (1993) The Minerals of Greenland. Mineralogical Record 24:36
Italy
 
  • Piedmont
    • Verbano-Cusio-Ossola Province
      • Ossola Valley
        • Formazza Valley
          • Formazza
            • Vallone del Vannino
Cuchet, S., Crumbach, M. and van der Burgt, A. (2014): Das Binntal enthüllt ein grosses Geheimnis. Schweizer Strahler 48 (2), 2-55 (in German and French).
  • Tuscany
    • Massa-Carrara Province
      • Apuan Alps
Orlandi P., Franzini M., 1994. I minerali del marmo di Carrara. Amilcare Pizzi S.p.A., Milano.
Orlandi P., Franzini M., 1994. I minerali del marmo di Carrara. Amilcare Pizzi S.p.A., Milano.
Japan
 
  • Honshu Island
    • Chubu Region
      • Gifu Prefecture
        • Nakatsugawa City
          • Hirukawa
ex-Okamoto collection, now (2015) on display at Hakusekikan museum, Hirukawa.
    • Chugoku Region
      • Hiroshima Prefecture
        • Hiroshima City
alfredo petrov specimens
    • Kinki Region
      • Kyoto Prefecture
        • Kyotango city
          • Ohro (Ōro; Ouro; Ooro)
Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
        • Ohmiya town
          • Kobe
Dr. Yohachiro Okamoto collection (curated at Geological Survey museum, Japan)
    • Tohoku Region
      • Fukushima Prefecture
Introduction to Japanese Minerals (Geological Survey of Japan, 1970)
        • Kawamata
Nagashima, K., Nakao, K., Wakita, H., & Kato, A. (1971). Chemical Studies of Minerals Containing Rarer Elements from the Far East District. LXIV. Abukumalite from Fusamata, Kawamata-machi, Fukushima Prefecture, Japan. Bull. Chem. Soc. Japan, 44, 867-869.
          • Iizaka Village (Iisaka)
Sueno, S., Matsuura, S., Bunno, M., & Kurosawa, M. (2002). Occurrence and crystal chemical features of protoferro-anthophyllite and protomangano-ferro-anthophyllite from Cheyenne Canyon and Cheyenne Mountain, USA and Hirukawa-mura, Suisho-yama, and Yokone-yama, Japan. Journal of mineralogical and petrological sciences, 97(4), 127-136.
  • Shikoku Island
    • Ehime Prefecture
      • Houjou City
Dr Yohachiro Okamoto (1876-1960) collection (curated by the Geological Survey of Japan)
Madagascar
 
  • Antananarivo Province
    • Itasy Region
      • Soavinandriana District
        • Mahavelona Commune
Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Geologique A. 1871
  • Tuléar Province (Toliara)
    • Anosy Region (Fort Dauphin Region)
      • Amboasary District
        • Maromby Commune
          • Belafa area
Besairie, H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive, 34.
Besairie, H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive, 34.
Besairie, H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive, 34.
        • Tranomaro Commune
Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
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 72
Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
Mozambique
 
  • Zambezia Province
    • Alto Ligonha District
Dias, M. Bettencourt and Wilson, W. E., 2000, Mineralogical Record, 31:459-497.
Namibia
 
  • Erongo Region
    • Swakopmund District
      • Arandis
Irene M. Abraham (2009): Geology and spatial distribution of uranium mineralisation in the SK anomaly area, Rossing area, Namibia, Master thesis University of the Witwatersrand.
Norway
 
  • Aust-Agder
    • Evje og Hornnes
      • Flatebygd
Åmli, R. (1969): Secondary uranium and thorium minerals from Einerkilen granite pegmatite in Evje, Southern Norway. Norges Geologiske Undersøkelse 258 [Årbok 1968]: 124-130 + Neumann (1985, p. 140).
      • Landsverk
Info. board at the mine, 2005.
    • Gjerstad
Neumann, H. (1985): Norges Mineraler. Norges geologiske Undersøkelse Skrifter 68, p. 100
  • Nord-Trøndelag
Grønli, A. and Hembre, O.S. (1984): Ny malmgeologisk provins i Nord-Trøndelag? Abstr. BVLI symp. Trondheim, okt.1984 (cited in Neumann, H. (1985): Norges Mineraler. Norges geologiske Undersøkelse Skrifter 68 p.115
    • Levanger
Grønli, A. and Hembre, O.S. (1984): Ny malmgeologisk provins i Nord-Trøndelag? Abstr. BVLI symp. Trondheim, okt.1984 (cited in Neumann, H. (1985): Norges Mineraler. Norges geologiske Undersøkelse Skrifter 68 p.140 )
Poland
 
  • Lower Silesia (Dolnośląskie)
Russia
 
  • Eastern-Siberian Region
    • Transbaikalia (Zabaykalye)
      • Buriatia Republic (Buryatia)
        • Ermakovskoe Be Deposit
          • Zunshibir' valley
Mironov A.G. and Gofman A.F, (1979) Barian betafite in pegmatites of Transbaikalien, - Minerals and Minerals Paragenesisa of Rocks and Ores, Leningrad, Nauka, p.127-132 (in Russian).
Slovakia
 
  • Košice Region
    • Rožňava Co.
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
      • Rožňava (Rosenau; Rozsnyó)
        • Čučma
Peterec D., Ďuďa R., 2003 : Zriedkavé minerály Mn – ložiska pri Čučme. Natura Carpatica (Košice), 44, s.229-236
Spain
 
  • Galicia
    • Lugo
      • Sarria
Kilias, S.P., Pozo, M., Bustillo, M., Stamatakis, M.G., and Calvo, J.P. (2006): Mineralium Deposita 41, 713-733.
Sweden
 
  • Jämtland
    • Krokom
  • Lappland
    • Jokkmokk
No reference listed
  • Småland
    • Växjö
      • Asa
See above.
    • Vetlanda
      • Alseda
        • Slättåkra
J.Langhof: REE-mineralogy in Mo-granite pegmatites in Vetlanda-area, Småland,Sweden. 1991
H.-J.Wilke: Die Mineralien und Fundstellen von Schweden.1997
H.-J.Wilke: Die Mineralien und Fundstellen von Schweden.1997
Switzerland
 
  • Ticino (Tessin)
    • Riviera
      • Lodrino
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 402.
  • Wallis (Valais)
    • Binn Valley
      • Chummibort
See references at locality description - cuchet et al. 2014, Schweizer Strahler. I am co-author - M. Crumbach
      • Fäld (Imfeld; Im Feld; Feld)
Graeser, et al. (2008) Faszination Lengenbach. KristalloGrafik-Verl., Achberg
      • Kriegalp Valley (Chriegalp Valley)
Mischa Crumbach
    • Les Bagnes Valley
      • Entremont Valley
        • Ferret Valley
          • La Fouly
Cuchet, S., Schnyder, C. & Meisser, N. (2003): Les minéraux de L'A Neuve. Schweizer Strahler / Le Cristallier Suisse, Nr. 3, 28-37.; Cuchet, S., Schnyder, C. & Meisser, N. (2003): Les minéraux de L'A Neuve. Schweizer Strahler / Le Cristallier Suisse, Nr. 3, 28-37.
UK
 
  • Scotland
    • Outer Hebrides
      • Isle of Harris
O. von Knorring and R. Dearnley (1960) The Lewisian Pegmatites of South Harris, Outer Hebrides. Mineralogical Magazine 32:366-378
USA
 
  • Arizona
    • Mohave Co.
      • Cerbat Mts (Cerbat Range)
        • Wallapai District
          • Kingman area
Rocks & Min. (2007) 82:236-237; Brown, TJ, "Geology & Geochemistry of the Kingman Feldspar, Rare Metals and Wagon Bow Pegmatites" (2010). University of New Orleans Theses and Dissertations. Paper 1280.
  • California
    • Riverside Co.
      • Crestmore
[micromounts@yahoogroups.com]
      • Nuevo
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 367; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 462.
San Diego Natural History Museum
      • Mesa Grande District
        • Gem Hill
Foord, E. E. (1977), Famous Mineral Localities: the Himalaya Dike System, Mesa Grande District, San Diego County, California. Mineralogical Record 8(6): p. 472.
  • Colorado
    • Boulder Co.
      • Jamestown District
        • Jamestown
Minerals of Colorado (1997) Eckels, E. B.
    • Chaffee Co.
      • Buena Vista
Minerals of Colorado (1997) E.B. Eckels
    • Custer Co.
      • Wet Mountains Area
Minerals of Colorado (1997) E.B. Eckels
    • El Paso Co.
Minerals of Colorado (1997) E.B. Eckels
Minerals of Colorado (1997) E.B. Eckels
    • Fremont Co.
"Minerals of Colorado, updated & revised", p. 16, by Eckel, Edwin B., 1997
    • Gunnison Co.
      • White Earth District (Powderhorn District)
"Minerals of Colorado, updated & revised", p. 17, by Eckel, Edwin B., 1997
      • Willow Creek District
The Williamson Southern Group
    • Jefferson Co.
      • South Platte Pegmatite District
Minerals of Colorado (1997) E.B. Eckels
Rare-Earth Pegmatites of the South Platte District, Colorado CGS Res Ser 11
  • Connecticut
    • Fairfield Co.
      • Danbury
Januzzi, Ronald E. (1976): Mineral Localities of Connecticut and Southeastern New York State. The Mineralogical Press, Danbury, Connecticut: 192-201.
    • Middlesex Co.
      • Haddam
        • Haddam Neck
Collections of Fred E Davis, Harold Moritz
      • Portland
Specimen in collection of Andrew Kruegel
  • Maine
    • Sagadahoc Co.
      • Topsham
King & Foord, 1994. Mineralogy of Maine, V. 1.
  • Massachusetts
    • Middlesex Co.
      • Woburn
P. Cristofono collection
  • Nevada
    • Mineral Co.
      • Fitting District
NBMG Spec Pub 31 Minerals of Nevada
  • New Mexico
    • Sierra Co.
Northrop, Minerals of New Mexico, 3rd Rev. Ed., 1996
USGS Open File report 2010-5220
    • Taos Co.
Minerals of New Mexico 3rd ed.
Pratt,J.H.,1905, The Mining Industry in North Carolina during 1904,North Carolina Geological Survey,Economic Paper#9 pg.50
Kenny Gay - North Carolina Geological Survey
Kenny Gay -North Carolina Geological Survey
  • Pennsylvania
    • Northampton Co.
      • Forks Township
        • Easton
Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania
Rocks & Min.: 17:344.; Am.Min.: 45: 39-52
Rocks & Min.: 11:90.
  • Texas
    • Llano Co.
      • Bluffton
AM 38 (1953), 1007
      • Kingsland Granite Company Quarry (Petrick Quarry)
Self-collected by Franklin Roberts.
      • Llano
R&M 66:3 pp 196-224
R&M 66:3 pp 196-224; Economic Geology; November 1964; v. 59; no. 7; American Mineralogist 50:284
  • Virginia
    • Amherst Co.
Minerals of Virginia 1990 by R. V. Dietrich
    • Bedford Co.
      • Moneta-Forest
Minerals of Virginia 1990 by R. V. Dietrich
    • Rappahannock Co.
      • Woodville
        • Bessie Bell Mountain
Minerals of Virginia 1990 by R. V. Dietrich
    • Roanoke Co.
Am Min (1964) 49:1136-1139
      • Roanoke area
Minerals of Virginia 1990 by R. V. Dietrich
  • Wisconsin
    • Marathon Co.
      • Wausau Intrusive Complex
R&M 73:11-12 pp 378-399 Wisconsin Mineral Locality Index
Rocks & Min.: 62: 190-193.
    • Wood Co.
      • Vesper
Min.News 15(5):1, 5 - 6
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