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Cyrtolite

A variety of Zircon
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About CyrtoliteHide

Formula:
Zr[(SiO4),(OH)4]
Name:
Name refers to its curved crystal faces. From the Greek κνρτος, for bent.
A variety of Zircon

Cyrtolite is a hydrous Th+U bearing zircon (up to 27 mas.% of sum). It sometimes occurs with curved, rounded crystals.

Dana's Textbook of Mineralogy by W.E. Ford (pg 611, 4th ed., 1947) treats cyrtolite as a chemical variety of zircon that "contains uranium, yttrium, and other rare elements". Any old zircon containing uranium will be metamict.

Jeffrey de Fourestier in Glossary of Mineral Synonyms (pg 89, Special publication #2, Canadian Mineralogist, 1998) calls cyrtolite a metamict zircon.

Originally reported from Rockport, Essex Co., Massachusetts, USA, by W.J. Knowlton in Art. XXIV Contributions to Chemistry from the Laboratory of the Lawrence Scientific School, No. 4, On a new mineral from Rockport, Mass. in Am. Jour. Sci., 2nd Series, vol. XLIV, no. 131, pp 224-226, (1867).


Unique IdentifiersHide

Mindat ID:
7493 (as Cyrtolite)
4421 (as Zircon)
Long-form identifier:
mindat:1:1:7493:9 (as Cyrtolite)
mindat:1:1:4421:5 (as Zircon)
GUID
(UUID V4):
9a4f4baf-6095-48ec-a3e5-dfba42952615 (as Cyrtolite)
ae513338-cdec-41da-ad06-93360c6ba9d2 (as Zircon)

Pronunciation of CyrtoliteHide

Pronunciation:
PlayRecorded byCountry
Jolyon RalphUnited Kingdom

Chemistry of CyrtoliteHide

Mindat Formula:
Zr[(SiO4),(OH)4]

Other Language Names for CyrtoliteHide

Simplified Chinese:ζ›²ζ™ΆηŸ³

Common AssociatesHide

Associated Minerals Based on Photo Data:
26 photos of Cyrtolite associated with UraniniteUO2
21 photos of Cyrtolite associated with Gummite
20 photos of Cyrtolite associated with QuartzSiO2
15 photos of Cyrtolite associated with Uranpyrochlore (of Hogarth 1977)(Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)
12 photos of Cyrtolite associated with Fergusonite-(Y)YNbO4
12 photos of Cyrtolite associated with Mica Group
11 photos of Cyrtolite associated with UranophaneCa(UO2)2(SiO3OH)2 Β· 5H2O
11 photos of Cyrtolite associated with AutuniteCa(UO2)2(PO4)2 Β· 10-12H2O
9 photos of Cyrtolite associated with ThoriteTh(SiO4)
9 photos of Cyrtolite associated with Clarkeite(Na,Ca,Pb)(UO2)O(OH) Β· 0-1H2O

Other InformationHide

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

Internet Links for CyrtoliteHide

References for CyrtoliteHide

Reference List:

Localities for CyrtoliteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. β“˜ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Australia
 
  • Western Australia
    • Mukinbudin Shire
      • Mukinbudin
Calderwood +2 other references
Bolivia
 
  • Santa Cruz
    • Γ‘uflo de Chavez Province
      • La Bella
Federico Ahlfeld & Jorge Munoz Reyes: Las Especies Minerales de Bolivia (Banco Minero de Bolivia, 1955)
Brazil
 
  • Minas Gerais
    • Nazareno
Lagache et al. (1997)
Canada
 
  • Nova Scotia
    • Pictou Co.
Gross (1957)
  • Ontario
    • Algoma District
      • Elliot Lake area
        • Bouck Township
Robertson (1976)
    • Haliburton County
      • Highlands East Township
        • Cardiff Township
Ref.: Geological Survey of Canada ...
www.geologyontario.mndm.gov.on.ca (n.d.)
        • Glamorgan Township
Hewitt (1967)
        • Monmouth Township
Sabina (1986)
    • Hastings County
      • Faraday Township
www.geologyontario.mndm.gov.on.ca (n.d.)
www.geologyontario.mndm.gov.on.ca (2021)
      • Hastings Highlands Municipality
        • Monteagle Township
www.geologyontario.mndm.gov.on.ca (n.d.)
Ref.: Geological Survey of Canada ...
Hugh S. Spence (1930) +2 other references
GSC misc. report 39 +3 other references
      • Town of Bancroft
        • Dungannon Township
Betts (n.d.)
www.geologyontario.mndm.gov.on.ca (n.d.)
    • Nipissing District
      • Butt Township
MDI Number: MDI31E11NE00070
    • Parry Sound District
      • Conger Township
www.geologyontario.mndm.gov.on.ca (n.d.)
Ref.: Geological Survey of Canada ...
      • Henvey Township
Sabina (1986)
    • Peterborough County
      • Galway Township
Ref.: Geological Survey of Canada ...
    • Renfrew County
      • Brudenell-Lyndoch-and-Raglan
        • Lyndoch Township
          • Quadeville area
Rocks and Minerals For The Collector: ... +1 other reference
  • QuΓ©bec
    • Outaouais
      • Les Collines-de-l'Outaouais RCM
        • Val-des-Monts
          • Saint-Pierre-de-Wakefield
            • Lake Saint-Pierre
Hogarth
China
 
  • Hebei
    • Chengde
      • Chengde County
        • Qiancengbei-Wulingshan Complex
Yang et al. (2008)
    • Qinhuangdao
      • Beidaihe District
Jinhui Yang et al. (2008) +1 other reference
  • Heilongjiang
    • Harbin
      • Shangzhi City
Wu et al. (2002)
    • Mudanjiang
      • Muling City
Zhibin Wang and Liangyi Wang (1998)
  • Inner Mongolia
    • Ulanqab City (Wulanchabu Prefecture)
      • Chahar Right Middle Banner (Chaha'er Youyi Zhongqi)
Yantian Guo and Guangming Tian (1979)
  • Jilin
    • Jilin
      • Yongji County
Wu et al. (2002)
  • Sichuan
    • GarzΓͺ Autonomous Prefecture (Ganzi Autonomous Prefecture)
      • Kangding County
        • Kangding pegmatite field
Li +4 other references
    • Liangshan Yi
      • Dechang County
Hong Zhong et al. (2007)
    • Panzhihua
      • Miyi County
Zhong et al. (2007) +4 other references
  • Tibet
    • Nagchu Prefecture (Naqu Prefecture)
      • Xainza Co. (Shenzha Co.)
Chunhong Wang et al. (2006)
  • Xinjiang
    • Yili Hasake Autonomous Prefecture (Ili Kazakh Autonomous Prefecture)
      • Aletai Prefecture (Altay Prefecture)
        • Aletai Co. (Altay Co.)
Denghong Wang et al. (2003)
DR Congo
 
  • South Kivu
    • Mwenga Territory
Alain Hanson specimen (see http://www.mindat.org/forum.php?read,11,161069,161421,quote=1) +1 other reference
Ethiopia
 
  • Benishangul-Gumuz Region
    • Asosa Zone
Pavel.M. Kartashov (n.d.)
Finland
 
  • Pirkanmaa
    • Valkeakoski
Pavel M. Kartashov data of 2011
Kazakhstan
 
  • East Kazakhstan Region
    • Ulan District
Oitseva et al. (2017)
  • North Kazakhstan Region
    • Aiyrtau District
      • Saumalkol' (Volodarskoye)
        • Grachevsky Uranium ore field
Dahlkamp et al. (2009)
Kyrgyzstan
 
  • Talas Region
    • Ak-Tyuz ore Field
Djenchuraeva et al. (2008) +1 other reference
Madagascar
 
  • Itasy
    • Soavinandriana District
      • Mahavelona
Rudy Bolona specimen
  • Vakinankaratra
    • Betafo District
      • Mahaiza
Lacroix (1912)
Mongolia
 
  • TΓΆv Province
    • Nailakh Soum
      • Janchivlan
Tumenbayar et al. (2000)
New Zealand
 
  • West Coast Region
    • Buller District
      • Westport
Beck et al. (1958)
Russia
 
  • Buryatia
    • Eastern Sayan
Gordienko et al. (2016)
    • Kizhinginsky District
      • Ermakovskoe Be Deposit
        • Zunshibir' valley
Mironov A.G. and Gofman A.F (1979)
  • Krasnoyarsk Krai
    • Kuragin District
Gordienko et al. (2016)
  • Murmansk Oblast
Pavel.M. Kartashov (n.d.)
  • Republic of Karelia
    • Loukhsky District
      • Chupa pegmatite field
Y.A.Kogevnikov "Samotcvetnie tropi"
  • Sakha
    • Polar Yakutia
      • Cherskii range system
        • Selennyakh range
          • Tommot river
Trunilina et al. (2022)
  • Tambov Oblast
Patyk-Kara et al. (2008)
  • Tuva
    • Erzinsky District
USGS Open File Report 2005-1252 p87
    • Kaa-Khemsky District
      • Erzin massif
Pavel.M. Kartashov (n.d.)
    • Sangilen Upland
Kapustin Yu.L. (1989)
    • Todzhinsky District
Slovakia
 
  • Bratislava Region
    • Bratislava
KodΔ›ra (1986)
  • KoΕ‘ice Region
    • SpiΕ‘skΓ‘ NovΓ‘ Ves District
      • Hnilec
KodΔ›ra (1986)
Sweden
 
  • Stockholm County
    • Vaxholm
      • ResarΓΆ
Ukraine
 
  • Zaporizhia Oblast
    • Berdyansk Raion
      • Middle Berda River
        • Rodionovskoe pegmatite field
Kievlenko et al. (2003)
  • Zhytomyr Oblast
    • Korosten Raion
Liventseva (n.d.)
USA
 
  • Arizona
    • Graham County
      • Aravaipa Mining District
Anthony et al. (1995)
    • Mohave County
      • Cerbat Mountains (Cerbat Range)
        • Kingman Mining District
          • Kingman
            • Boulder Spring
Galbraith (1959) +3 other references
Anthony et al. (1995)
  • California
    • Kern County
      • Clear Creek Mining District
        • Havilah
Troxel et al. (1962) +3 other references
    • Riverside County
      • Lakeview Mountains
        • Nuevo
Murdoch (1966)
    • San Bernardino County
      • Cady Mountains
        • Hector
Hewett (1953) +2 other references
    • San Diego County
      • Ramona Mining District
        • Ramona
Foord et al. (1989)
  • Colorado
    • Chaffee County
      • Buena Vista
        • Newett
Rudy Bolona specimen
Eckel et al. (1997)
    • Clear Creek County
      • Mount Evans
Eckel et al. (1997)
    • Douglas County
Eckel et al. (1997)
    • El Paso County
      • Cheyenne Mining District (St. Peters Dome Mining District)
        • St Peters Dome
Dean Allum collection
Eckel et al. (1997)
    • Fremont County
      • Cotopaxi Mining District
        • Cotopaxi
          • Cotopaxi Pegmatite area
Eckel et al. (1997)
Eckel et al. (1997)
      • Cottonwood Creek Area
Eckel et al. (1997)
      • Micanite Mining District (Currant Creek Mining District)
Eckel et al. (1997)
    • Gunnison County
      • Quartz Creek Pegmatite Mining District
Eckel et al. (1997)
Meeves et al. (1966)
    • Jefferson County
      • Clear Creek Pegmatite Province
Eckel et al. (1997)
      • South Platte Pegmatite Mining District
Eckel et al. (1997)
Jim Hall
Eckel et al. (1997)
Simmons et al. (1980)
Eckel et al. (1997)
Eckel et al. (1997)
Eckel et al. (1997)
Eckel et al. (1997)
    • Park County
Rudy Bolona
Rudy BoloΓ±a identification and ...
Rhiana E. Henry et al. (2016)
    • Pitkin County
      • Columbia Mining District (Ashcroft Mining District)
Rudy Bologna
    • Saguache County
      • Crestone Mining District (Baca Grant Mining District)
Eckel et al. (1997)
Eckel et al. (1997)
      • Hayden Pass Area
Eckel et al. (1997)
    • Teller County
Rudy Bolona collection
  • Connecticut
    • Fairfield County
      • Bethel
Januzzi et al. (1976)
      • Danbury
Januzzi et al. (1976)
      • Newtown
Earle C. Sullivan Collection specimen ... +1 other reference
      • Redding (Reading)
        • Branchville
Cameron et al (1954) +1 other reference
      • Ridgefield
Januzzi et al. (1976)
    • Hartford County
      • Glastonbury
        • South Glastonbury
In the collection of Kevin Czaja.
    • Middlesex County
      • East Hampton (Chatham)
        • Cobalt
Schooner (1958) +1 other reference
Schooner (1958) +1 other reference
Schooner (1958) +1 other reference
      • Haddam
Shelton (1967)
      • Middletown
Schooner (1958) +1 other reference
      • Portland
Januzzi et al. (1976)
Ralph Lieser of Pappy’s Beryl Shop +2 other references
        • Collins Hill
          • Strickland pegmatite
Schooner (1955)
Januzzi et al. (1976)
Januzzi et al. (1976)
Rocks & Minerals (1970)
  • Maine
    • Knox County
      • Warren
Anderson
    • Sagadahoc County
      • Topsham
Cliff Trebilcock
  • Massachusetts
    • Essex County
Gleba (2008)
Knowlton (1867)
        • Rockport Granite Company quarries
McKinstry (1921)
    • Hampshire County
      • Goshen
P. Cristofono collection
      • Huntington (Norwich)
- (1917)
    • Middlesex County
      • Woburn
Richmond (1936)
  • New Hampshire
    • Carroll County
      • Wakefield
Bearss (1984)
    • Cheshire County
      • Walpole
P Cristofono collection
    • Grafton County
      • Groton
USGS Prof Paper 353 +2 other references
    • Strafford County
      • Strafford
        • Parker Mountain
Rocks & Min.:64:504. +1 other reference
    • Sullivan County
      • South Acworth
Jeremy Zolan Collection +1 other reference
  • New Mexico
    • Grant County
      • Gold Hill Mining District
NMBMMR Bull 83 Mineral Deposits of ...
Northrop et al. (1996)
    • Mora County
Northrop et al. (1996)
Northrop et al. (1996)
Northrop et al. (1996)
    • San Miguel County
Northrop et al. (1996)
  • New York
    • Saratoga County
      • Overlook
Jensen (1978)
    • Westchester County
Manchester (1931)
Manchester (1931)
Manchester (1931)
Rocks & Min.: 6:117 +2 other references
  • North Carolina
    • Burke County
      • Brindletown
Dana 6:1074.
Genth +1 other reference
U.S Bureau of Mines/Spatial Data from the Minerals System/Mineral Industry Location System (Mas/Mils)
      • Zirconia Pegmatite Mining District
        • Tuxedo
Wilson et al. (1978)
        • Zirconia (Tuxedo Station)
Wilson et al. (1978)
    • Jackson County
      • Pinhook Gap
Rocks & Min.: 60: 91.
    • Macon County
E.WM.Heinrich
    • Mitchell County
www.johnbetts-fineminerals.com
      • Spruce Pine
Smithsonian Institution Mineral ...
        • Greasy Creek Township
Wilson et al. (1978)
      • Celo
        • Micaville
U.S Bureau of Mines/Spatial Data from the Minerals System/Mineral Industry Location System (Mas/Mils)
      • Crabtree Creek
Rocks and Minerals (1985)
  • Pennsylvania
    • Philadelphia County
      • Philadelphia
        • Germantown
Samuel G. Gordon (1922)
  • Rhode Island
    • Providence County
      • Cumberland
Miller (1972)
  • Texas
    • Burnet County
Crook (1977) +1 other reference
    • Llano County
      • Bluffton
Landes (1932)
      • Kingsland Granite Company Quarry (Petrick Quarry)
Self-collected by Franklin Roberts.
Economic Geology +5 other references
  • Utah
    • Box Elder County
Bullock (1981)
  • Virginia
    • Amelia County
      • Amelia (Amelia Court House)
AmMin 3:27-28 (1918)
  • Washington
    • Grant County
      • Grand Coulee
Huntting (1957) +1 other reference
 
Mineral and/or Locality  
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