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Gustav Adolf Kenngott
Crystal System:
Named for Prof. Gustav Adolf Kenngott (6 January 1818 in Breslau (now Wrocław) - 4 March 1897 in Lugano), a mineralogist who worked at the University of Zurich, Switzerland, in recognition of his work on systematic mineralogy.
Structurally related to souzalite and gormanite.

Identical to phase UNK9 (Unknown no. 9) of Sejkora et al. (2006).

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Classification of KenngottiteHide

Approved, Pending publication
Approval Year:

Chemical Properties of KenngottiteHide


Crystallography of KenngottiteHide

Crystal System:
Class (H-M):
2/m - Prismatic
Space Group:
Cell Parameters:
a = 13.909(10) Å, b = 5.186(4) Å, c = 12.159(9) Å
β = 98.88(1)°
a:b:c = 2.682 : 1 : 2.345
Unit Cell V:
866.54 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:

Type Occurrence of KenngottiteHide

Place of Conservation of Type Material:
collections of (1) the Department of Mineralogy and Petrology, National Museum Prague, Cirkusová 1740, CZ-193 00 Praha 9, Czech Republic, catalogue number P1P 26/2018 (holotype), and (2) the Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, CA 90007, USA, catalogue number 66795 (cotype)

Synonyms of KenngottiteHide

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 KenngottiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Sejkora, J., Grey, J.E. and Kampf, A.R. (2019): Kenngottite, IMA 2018-063a. CNMNC Newsletter No. 47, February 2019: 204; European Journal of Mineralogy: 31: 199–204.
Sejkora, J., Skoda, R., & Ondrus, P. (2006). New naturally occurring mineral phases from the Krásno-Horní Slavkov area, western Bohemia, Czech Republic. Journal of GEOsciences, 51(1-2), 159-187.

Internet Links for KenngottiteHide

Localities for KenngottiteHide

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.
Czech Republic (TL)
  • Karlovy Vary Region
    • Sokolov District
      • Horní Slavkov
        • Krásno (Schönfeld)
          • Huber stock (Huber shaft; Hub stock)
Sejkora, J., Grey, J.E. and Kampf, A.R. (2019): Kenngottite, IMA 2018-063a. CNMNC Newsletter No. 47, February 2019: 204; European Journal of Mineralogy: 31: 199–204.
Mineral and/or Locality  
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