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Demantoid

Big Photo

Franscia Mine, Campo Franscia, Lanterna Valley, Malenco Valley, Sondrio Province, Lombardy, Italy
© Marco Barsanti

Show Demantoid Photos (60)
Name:Named by Nils Gustaf Nordenskiøld from the archaic German word "Demant" which means "diamond" in allusion to its very high brilliance resembling that of diamond.
A variety of Andradite

Garnet group.

A green variety of Andradite.
Originally described from Telyanskai River, Kemennya Teliyana, Nizhne-Tagil'skoye (Mednorudyanskoye) Cu Deposit, Nizhnii Tagil, Sverdlovskaya Oblast', Urals Region, Russia.

Classification of Demantoid

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Other Information

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

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    Localities for Demantoid

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    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.
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    (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.
    Canada
     
    www.alpinegems.net
    Germany
     
    • Bavaria
      • Franconia
        • Münchberg Metamorphic complex
          • Oberkotzau
            • Wurlitz
    		F. Müller: "Bayerns steinreiche Ecke", 2nd ed., Oberfränkische Verlagsanstalt (Hof), 1984
          • Zell
    		F. Müller: "Bayerns steinreiche Ecke", 2nd ed., Oberfränkische Verlagsanstalt (Hof), 1984
    • Hesse
      • Dillenburg District
        • Hirzenhain
    		S. Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
    Iran
     
    • Kerman Province
      • Baft District
    		Gems and Gemology, Volume 38, Issue 1
    Italy
     
    • Aosta Valley
    		Del Caldo A.,Moro C.,Gramaccioli C.M.,Boscardin M.-Guida ai Minerali-Fratelli Fabbri Editori (1973)
    C.M. Gramaccioli (1975)-Minerali alpini e Prealpini-Edizioni Atlas Bergamo
    • Lombardy
      • Sondrio Province
    		No reference listed
          • Lanterna Valley
            • Campo Franscia
    		De Michele, V. (1974). Guida mineralogica d'Italia. Istituto Geografico De Agostini, Novara, 2 vol.
    P Haas collection
    De Michele, V. (1974). Guida mineralogica d'Italia. Istituto Geografico De Agostini, Novara, 2 vol.
    • Piedmont
      • Torino Province
        • Ala Valley
          • Balme
    		Gramaccioli, C.M. (1975). Minerali alpini e prealpini. Istituto Italiano Edizioni Atlas, Bergamo, 2 vol.
    Namibia
     
    • Erongo Region
      • Karibib District
    		Bezing, L. von, Bode, R. & Jahn, S. (2007): Namibia. Mineralien und Fundstellen. Edition Schloss Freudenstein, Bode Verlag, Haltern, 856 pp. (in German)
    Rob Lavinsky
    Bezing, L. von, Bode, R. & Jahn, S. (2007): Namibia. Mineralien und Fundstellen. Edition Schloss Freudenstein, Bode Verlag, Haltern, 856 pp. (in German)
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Kovdor Massif
    		[World of Stones 95:5-6, p64]
    • Urals Region
    		[MinRec 32:42]
      • Middle Urals
        • Ekaterinburgskaya (Sverdlovskaya) Oblast'
          • Nizhnii Tagil
            • Kamennaya Telyana
    		No reference listed
    Slovakia
     
    • Košice Region
      • Eastern Slovenské Rudohorie Mts
    		Duda, Rejl, Slivka: "Mineralien", 1991
    Spain
     
    • Extremadura
      • Badajoz
        • Burguillos del Cerro
    Switzerland
     
    • Wallis (Valais)
      • Binn Valley
        • Geisspfad area
    		found by FdW
      • Zermatt - Saas Fee area
        • Matter Valley
          • Zermatt
            • Findel glacier area
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 38-39
        • Saas Valley
          • Saas Fee
            • Fee Glacier
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 38
    Ref.: Stalder, H. A., de Quervain, F., Niggli, E., Graeser, St., Die Mineralfunde der Schweiz, (1973), p. 321
    Tajikistan
     
    • Viloyati Mukhtori Gorno-Badakhshan (Viloyati Badakhshoni Kuni)
    		[MinRec 32:42]
    • Viloyati Sogd (Viloyati Sughd; Viloyati Khodzhent; Viloyati Leninabad)
      • Kuraminskii Range
    USA
     
    • California
      • San Benito Co.
        • New Idria District
    		www.mineralsocal.org
    [www.johnbetts-fineminerals.com]
    No reference listed
    Mineral and/or Locality
    Google
     
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    Copyright © Jolyon & Ida Ralph 1993-2008. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register.