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Willem Uytenbogaardt
Crystal System:
Named in 1978 by M. D. Barton, C. Kieft, E. A. J. Burke, and I. D. Oen in honor of Willem Uytenbogaardt (July 18, 1918 Amsterdam, The Netherlands - May 25, 2012 Aalsmeer, The Netherlands), professor of geology, Technical University of Delft (The Netherlands).
May form as exsolutions in (originally Au-bearing) acanthite. Structurally different from (stoichiometrically similar) petzite and fischesserite, although forming a series with the latter.

The structure is based on S-atoms sublattice in distorted bcc arrangement. There are (1) tri-atomic linear S-Au-S groups and (2) Ag atoms bonded to four S atoms (from four different linear groups), in distorted tetrahedral set.

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Classification of UytenbogaardtiteHide

Approval Year:

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
B : Metal Sulfides, M: S > 1: 1 (mainly 2: 1)
A : With Cu, Ag, Au

4 : AmBnXp, with (m+n):p = 2:1

3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
3 : Sulphides etc. of Au

Physical Properties of UytenbogaardtiteHide

Usually grains are so tiny they are invisible without a microscope

Chemical Properties of UytenbogaardtiteHide

Common Impurities:

Crystallography of UytenbogaardtiteHide

Crystal System:
Class (H-M):
3m (3 2/m) - Hexagonal Scalenohedral
Space Group:
Cell Parameters:
a = 13.6952(5) Å, c = 17.0912(8) Å
a:c = 1 : 1.248
Unit Cell V:
2776.1 ų
PPreviously given space group: R-3; previously though to be tetragonal.

Type Occurrence of UytenbogaardtiteHide

Synonyms of UytenbogaardtiteHide

Other Language Names for UytenbogaardtiteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Acanthite8 photos of Uytenbogaardtite associated with Acanthite on
Electrum5 photos of Uytenbogaardtite associated with Electrum on
Malachite3 photos of Uytenbogaardtite associated with Malachite on
Quartz1 photo of Uytenbogaardtite associated with Quartz on

Related Minerals - Nickel-Strunz GroupingHide

2.BA.05ChalcociteCu2SMon. 2/m : P21/b
2.BA.05DjurleiteCu31S16Mon. 2/m
2.BA.05GeeriteCu8S5Trig. 3
2.BA.05RoxbyiteCu9S5Tric. 1 : P1
2.BA.10AniliteCu7S4Orth. mmm (2/m 2/m 2/m) : Pnma
2.BA.10DigeniteCu9S5Trig. 3m (3 2/m) : R3m
2.BA.15BorniteCu5FeS4Orth. mmm (2/m 2/m 2/m) : Pbca
2.BA.20BellidoiteCu2SeTet. 4/m : P42/n
2.BA.20BerzelianiteCu2SeIso. m3m (4/m 3 2/m) : Fm3m
2.BA.35AcanthiteAg2SMon. 2/m : P21/m
2.BA.40MckinstryiteAg5-xCu3+xS4Orth. mmm (2/m 2/m 2/m) : Pnma
2.BA.40StromeyeriteAgCuSOrth. mmm (2/m 2/m 2/m)
2.BA.45SelenojalpaiteAg3CuSe2Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
2.BA.55AguilariteAg4SeSMon. 2/m
2.BA.55NaumanniteAg2SeOrth. 2 2 2 : P21 21 21
2.BA.60CervelleiteAg4TeSMon. 2/m
2.BA.60HessiteAg2TeMon. 2/m : P21/b
2.BA.65Henryite(Cu,Ag)3+xTe2 , with x ~ 0.40 Iso. m3m (4/m 3 2/m) : Fd3c
2.BA.65StütziteAg5-xTe3, x = 0.24-0.36Hex.
2.BA.70ArgyroditeAg8GeS6Orth. mm2 : Pna21
2.BA.70CanfielditeAg8SnS6Orth. mm2
2.BA.70Putzite(Cu4.7Ag3.3)GeS6Iso. 4 3m : F4 3m
2.BA.75FischesseriteAg3AuSe2Iso. 4 3 2 : I41 3 2
2.BA.75PetziteAg3AuTe2Iso. 4 3 2 : I41 3 2

Related Minerals - Dana Grouping (8th Ed.)Hide 4 3 2 : I41 3 2 4 3 2 : I41 3 2

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

3.3.2KrenneriteAu3AgTe8Orth. mm2 : Pma2
3.3.5FischesseriteAg3AuSe2Iso. 4 3 2 : I41 3 2
3.3.7PetziteAg3AuTe2Iso. 4 3 2 : I41 3 2
3.3.8MuthmanniteAuAgTe2Mon. 2/m : P2/m
3.3.9Sylvanite(Au,Ag)2Te4Mon. 2/m : P2/b

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.

References for UytenbogaardtiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Canadian Mineralogist (1978): 16: 651-659.
American Mineralogist (1980): 65: 209.
Bindi, L., Stanley, C.J., Seryotkin, Y.V., Bakakin, V.R., Pal'yanova, G.A., Kokh, K.A. (2016): The crystal structure of uytenbogaardtite, Ag3AuS2, and its relationships with gold and silver sulfides-selenides. Mineralogical Magazine: 80, 1031-1040.

Internet Links for UytenbogaardtiteHide

Localities for UytenbogaardtiteHide

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. ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
  • La Rioja
    • Chilecito department
      • Chilecito
Brotkorb (2002): las Especies Minerales de la Republica Argentina
  • Mendoza
    • Malargüe department
      • Agua Escondida
Ana Cecilia Mugas-Lobos, María Florencia Márquez-Zavalía, Miguel Ángel Galliski (2011) Selenium and precious metal-bearing minerals at Don Sixto mining project, Mendoza, Argentina. SGA2011_0062.pdf; Ana Cecilia Mugas Lobos, María Florencia Márquez-Zavalía, Miguel Ángel Galliski (2012): Minerales de mena del depósito epitermal de baja sulfuración Don Sixto, Mendoza [Ore minerals from Don Sixto, a low sulfidation epithermal deposit from Mendoza]. Revista de la Asociación Geológica Argentina 69, 3-12.
  • Santa Cruz
    • Magallanes department
DE BRODTKORB, Milka K. Precious metaltellurides and other Te-bearing minerals in different paragenesis of Argentina: A review. Rev. Asoc. Geol. Argent. [online]. 2009, vol.64, n.3, pp. 365-372.; Paar, W. H., Putz, H., Topa, D., de Brodtkorb, M. K., & Sureda, R. J. (2005, January). Occurrence and paragenesis of tellurium in mineral deposits of Argentina. In Mineral Deposit Research: Meeting the Global Challenge (pp. 1419-1422). Springer Berlin Heidelberg.
        • El Salado
Milka K. de Brodtkorb (2002) Las Especies Minerales de la Republica Argentina. Vol. 1 (elements, sulphides and sulphosalts). (Asociacion Mineralogica Argentina); FERNANDEZ, Raúl R. et al. Gold and silver deposits related to Jurassic Patagonian volcanism: review and perspectives for exploration. Rev. Asoc. Geol. Argent. [online]. 2008, vol.63, n.4, pp. 665-681.
Milka K. de Brodtkorb (2002) Las Especies Minerales de la Republica Argentina. Vol. 1 (elements, sulphides and sulphosalts). (Asociacion Mineralogica Argentina); FERNANDEZ, Raúl R. et al. Gold and silver deposits related to Jurassic Patagonian volcanism: review and perspectives for exploration. Rev. Asoc. Geol. Argent. [online]. 2008, vol.63, n.4, pp. 665-681.
  • Potosí Department
    • Antonio Quijarro Province
Dill, H.G. (1998): Mineralium Deposita 33, 359-378.
  • Heilongjiang Province (Manchuria; Dongbei Region)
    • Daxing'anling Prefecture
      • Huma Co.
Zhiguo Zhang, Jiuhai Hu, and Tao Liu (2008): Gold Science and Technology 16(1), 43-47
  • Java (Jawa)
    • Banten Province
      • Cikotok Gold District
Econ Geol (1994) 89:227-245; Marcoux, E., Milesi, J. P., Sohearto, S., & Rinawan, R. (1993). Noteworthy mineralogy of the Au-Ag-Sn-W (Bi) epithermal ore deposit of Cirotan, West Java, Indonesia. The Canadian Mineralogist, 31(3), 727-744.
    • Jawa Barat Province (West Java Province)
      • Bogor District
The Canadian Mineralogist Vol. 41, pp. 185-200 (2003)
  • Sumatra (Sumatera)
    • Bengkulu Province (Benkoelen Province; Benkulen Province)
      • Rejang Lebong District (Rediang Lebong District)
[Canadian Mineralogist(1978) 16, 651-659; MinRec 16:55]; Canadian Mineralogist Vol. 16, pp. 651-657 (1978)
  • Borneo
    • Sarawak
      • Kuching
        • Bau
Wolfram Dieter Schuh (1993) Geology, Geochemistry, And Ore Deposits Of The Bau Gold Mining District, Sarawak, Malaysia. PhD Thesis University of Arizona.
New Zealand
  • North Island
    • Waikato
      • Hauraki
        • Hauraki goldfield
Cocker, H.A., Mauk, J.L., Rabone, S.D.C. (2013): The origin of Ag-​Au-​S-​Se minerals in adularia-​sericite epithermal deposits: constraints from the Broken Hills deposit, Hauraki Goldfield, New Zealand. Mineralium Deposita 48, 249-266.
      • Thames-Coromandel
        • Hikuai
Helen A. Cocker, Jeffrey L. Mauk and Stuart D. C. Rabone (2013): The origin of Ag–Au–S–Se minerals in adularia-sericite epithermal deposits: constraints from the Broken Hills deposit, Hauraki Goldfield, New Zealand. Mineralium Deposita 48, 249-266.
  • Arequipa Department
    • Castilla Province
      • Shila-Paula District
Chauvet, A., Bailly, L., André, A.-S., Monié, P., Cassard, D., Tajada, F.L., Vargas, J.R., and Tuduri, J. (2006): Mineralium Deposita 41, 387-410.
Chauvet, A., Bailly, L., André, A.-S., Monié, P., Cassard, D., Tajada, F.L., Vargas, J.R., and Tuduri, J. (2006): Mineralium Deposita 41, 387-410.
  • Vâlcea Co.
Udubaªa, S. S., Constantinescu, S., Popescu-pogrion, N., Grecu, N. M. & Udubaªa, G. (2006) Mössbauer (ngr), Xrd, Tem/saed And Esr Investigations On Some Sulphides From Costeªti, Valea Lui Stan And Jidoªtiþa Gold Ores (southern Carpathians, Romania). Acta Miner.-Petrograph.,Abstract Series 5, Szeged, p.123
  • Eastern-Siberian Region
    • Tuva Republic
Gas’kov, I. V., Akimtsev, V. A., Kovalev, K. R., & Sotnikov, V. I. (2006). Gold-bearing mineral assemblages of Cu-ore deposits in the Altai-Sayan folded area. Russian Geology and Geophysics (Geologiya i Geofizika), 47(9), 982-990.
  • Far-Eastern Region
    • Chukotskii Autonomous Okrug
N.E. Savva, G.A. Pal’yanova, M.A. Byankin, (2012) The problem of genesis of gold and silver sulfides and selenides in the Kupol deposit (Chukotka, Russia), Russian Geology and Geophysics, Volume 53, Issue 5, May 2012, Pages 457-466
    • Magadanskaya Oblast'
      • Engteri ore cluster
Palyanova, G.A., Savva, N.E., Zhuravkova, T.V., Kolova, E.E. (2016): Gold and silver minerals in low-sulfidaton ores of the Julietta deposit (northeastern Russia). Russian Geology and Geophysics: 57: 1171-1190; (2016)
  • Urals Region
    • Southern Urals
      • Orenburgskaya Oblast'
        • Gay
Sergeyev N.B., Laputina I.P., Kuz'mina O.V., Krinov D.I. (1996) Mineral Forms Of Gold And Silver In A Secondary-Enrichment Horizon At The Gay Deposit, South Urals Transactions (Doklady) of the Russian Academy of Sciences. Earth Science Sections 340:173-178.
  • Western-Siberian Region
    • Altaiskii Krai
      • Rudnyi Altai
        • Alei River Basin
          • Korbalikha River
            • Zmeevka Stream
[MinRec 16:55]; Canadian Mineralogist Vol. 16, pp. 651-657 (1978); Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
  • Banská Bystrica Region
    • Žarnovica Co.
Majzlan, J. (2009): Mitt. Österr. Mineral. Ges. 155, 98. (Abs.); Majzlan, J. (2009): Mineralia Slovaca 41, 45-54.
Majzlan, J. (2009): Ore mineralization at the Rabenstein occurence near Banská Hodruša, Slovakia. Miner. Slov., 41, 45-54.
      • Nová Baňa
Majzlan, J., Berkh, K., Kiefer, S., Koděra, P., Fallick, A.E., Chovan, M., Bakos, F., Biroň, A., Ferenc, S., Lexa, J. (2017): Mineralogy, alteration patterns, geochemistry, and fluid properties of the Ag-Au epithermal deposit Nová Baňa, Slovakia. Mineralogy and Petrology, 111, (in press)
    • Žiar nad Hronom Co.
Ďuďa R., 1993 : Die mineralien der Gold und Silber - lagersttäte von Kremnitz ( Kremnica) in der Slowakei. Mineralien Welt /Haltern,Nemecko/,5, s. 20 - 32
  • Marmara Region
    • Balikesir Province
      • Sindirgi
Blanks, D. E., Holwell, D. A. and Coller, I. V. (2014), Multi Stage Epithermal Au-Ag Mineralisation in the Kiziltepe Deposit, Western Turkey: Evidence From 3D High Resolution CT Scanning. Acta Geologica Sinica, 88: 706–707.
  • Arizona
    • Cochise Co.
      • Dos Cabezas Mts
        • Dos Cabezas (Two Heads) District
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 409.
  • California
    • San Bernardino Co.
      • Ivanpah District
        • Ivanpah Mts
          • Kessler Peak
Ronald Wynn Sheets, James R. Craig, Robert J. Bodnar (1995) Composition And Occurrence Of Electrum At The Morning Star Deposit, San Bernardino County, California: Evidence For Remobilization Of Gold And Silver. Canadian Mineralogist 33:137-151
  • Colorado
    • Mineral Co.
      • Creede District
Minerals of Colorado (1997) E.B. Eckels
Minerals of Colorado (1997) Eckel, E. B.; Foley, N. K.; Caddey, S. W.; Byington, C. B.; Vardiman, D. M. (1993) Mineralogy, mineral chemistry, and paragenesis of gold, silver, and base-metal ores of the North Amethyst vein system, San Juan Mountains, Mineral County, Colorado. USGS Professional Paper: 1537
  • Nevada
    • Lander Co.
      • Lewis District
NBMG Spec Pub 31 Minerals of Nevada
    • Nye Co.
      • Bullfrog Hills
Canadian Mineralogist Vol. 31, pp. 89-98
Castor, S.B. and Sjoberg, J.J. (1993) Uytenbogaardtite, Ag3AuS2, in the Bullfrog mining district, Nevada. Canadian Mineralogist, 31, 89-98.
NBMG Spec. Pub. 31 Minerals of Nevada
[MinRec 23:425]; Weiss S. (2004) The Mineralogy of Gold - A Review. Extra Lapis English No. 5 pp 60-73.
          • Rhyolite
NBMG Spec. Pub. 31 Minerals of Nevada
      • Tolicha District
        • Tolicha Peak
          • Landmark-Life Preserver group
NBMG Spec Pub 31 Minerals of Nevada
    • Storey Co.
[MinRec 16:55]
        • Virginia City
Canadian Mineralogist (1978): 16: 651-659.
  • Tashkent Viloyati (Toshkent)
    • Angren Region
      • Chatkal-Kuraminskii Range
Eleonora A. Dunin-Barkovskaya, Umid K. Aripov, L.A. Tsoy, M.A. Kim (2005) Mineralogical features and ore-forming conditions of goldbearing deposits of Uzbekistan. GEOCHMISTRY, MINERALOGY AND PETROLOGY 43 SOFIA pp 69-74
GEOCHMISTRY, MINERALOGY AND PETROLOGY • 4 3 • SOFIA pp 69-74; Kovalenker, V. A., Safonov, Y. G., Naumov, V. B., & Rusinov, V. L. (1997). The Epithermal Gold-Telluride Kochbulak Deposit. Geology of Ore Deposits C/C of Geologiia Rudnykh Mestorozhdenii, 39, 107-128.
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