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Pseudocubic Quartz

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About Pseudocubic QuartzHide

A variety of Quartz

Crystals with a (pseudo)cubic appearance that are dominated by a single rhombohedral form (usually r, { 1 0 -1 1 }). Since the angles of the rhombohedron differ only very little from that of a perfect cube (85.2° and 94.8°, respectively, instead of 90°), the crystals look like a slightly skewed cube.

Chemical Properties of Pseudocubic QuartzHide


Synonyms of Pseudocubic QuartzHide

Other Language Names for Pseudocubic QuartzHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
7 photos of Pseudocubic Quartz associated with AmethystSiO2
2 photos of Pseudocubic Quartz associated with QuartzSiO2
2 photos of Pseudocubic Quartz associated with Cookeite(Al2Li)Al2(AlSi3O10)(OH)8
1 photo of Pseudocubic Quartz associated with Rhodizite(K,Cs)Al4Be4(B,Be)12O28
1 photo of Pseudocubic Quartz associated with Columbite-(Mn)Mn2+Nb2O6
1 photo of Pseudocubic Quartz associated with TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
1 photo of Pseudocubic Quartz associated with Sceptre QuartzSiO2
1 photo of Pseudocubic Quartz associated with HematiteFe2O3

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 Pseudocubic QuartzHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Tarr, W.A., Lonsdale, J.T. (1929) Pseudo-cubic quartz crystals from Artesia, New Mexico. American Mineralogist, 14, 50-53.
Rykart, R. (1995): Quarz-Monographie. 2nd ed., Ott Verlag, Thun, Switzerland, 462 pp. (in German).

Internet Links for Pseudocubic QuartzHide

Localities for Pseudocubic QuartzHide

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.
  • Carinthia
    • Völkermarkt District
      • Griffen
        • Saualpe
          • Ladinger Spitze - Speikkogel area
R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
  • Salzburg
    • Zell am See District
      • Bramberg am Wildkogel
        • Moar Alp
R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
      • Hollersbach im Pinzgau
Natural History Museum Vienna collection
      • Mittersill
A. Strasser: Die Minerale Salzburgs (1989)
  • Styria
    • Deutschlandsberg District
      • Deutschlandsberg
Postl, W. & Moser, B. (1987); Exel, R. (1993)
    • Liezen District
      • Schladming
        • Schladminger Tauern
          • Giglach valley
            • Giglach lakes
Taucher, J. (1999): Fe-reicher Pumpellyit-(Mg) mit Würfelquarz vom Engelkarspitze Nordhang, südöstlich Unterer Giglachsee, Schladminger Tauern, Steiermark, Österreich. Annalen - Journal of Science and Art, 1, 5-6.
  • Tyrol
    • Lienz District
      • Prägraten am Großvenediger
        • Timmelbach valley
R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
  • Upper Austria
    • Kirchdorf an der Krems District
Coll. G. Brandstetter - publication in progress
  • Auvergne-Rhône-Alpes
    • Puy-de-Dôme
      • Issoire
        • La Chapelle-sur-Usson
François Périnet collection
  • Brittany
    • Finistère
      • Brest
        • Plougastel-Daoulas
Collected by Jean Guennéguès
  • Bavaria
    • Lower Bavaria
      • Regen District
        • Bischofsmais
Pfaffl, F.A. (1982) Erstfund im Bayrischen Wald - Würfelquarz vom Teufelstisch. Mineralien Magazin 6(8), 456-459. S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
  • North Rhine-Westphalia
    • Arnsberg
      • Soest
        • Warstein
          • Hirschberg
D. Pawlowski: "Mineralfundstellen im Sauerland", Weise (Munich), 1991
          • Hohe Liet
Rykart, R., Hatton, H. (1982) Rarität aus dem Sauerland. Würfelähnliche Quarzkristalle. Mineralien Magazin 6(8), 361-362. D. Pawlowski: "Mineralfundstellen im Sauerland", Weise (Munich), 1991
  • Rhineland-Palatinate
    • Donnersberg District
      • Winnweiler
        • Schweisweiler
Hartmut Hensel collection, Neustadt a. d. Wstr.
  • Tuscany
    • Livorno Province
      • Rosignano Marittimo
Giuliano Bettini Collection
  • Vakinankaratra
    • Betafo
      • Ambohimasina
Knut Edvard Larsen collection # MM-1931
  • Maine
    • Oxford County
      • Greenwood
Nestor Tamminen discovery; also Mineral News (1993) 9:2 p. 8
  • New Mexico
    • Eddy Co.
Tarr, W.A., Lonsdale, J.T. (1929) Pseudo-cubic quartz crystals from Artesia, New Mexico. American Mineralogist, 14, 50-53.
Lueth, Virgil W. and Albright, James L. (2003) Pecos diamonds - quartz and dolomite crystals from the Seven Rivers Formation outcrops of southeastern New Mexico. New Mexico Geology, August 2003, Volume 25, Number 3.
Mineral and/or Locality  
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