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Keilhauite

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About KeilhauiteHide

Baltazar Mathias Keilhau
Formula:
(Ca,Y3+)(Ti,Al,Fe3+)[SiO4]O
Name:
The name is for the Norwegian geologist Prof. Baltazar Mathias Keilhau (1797-1858). First found by Weibye in 1841 and sent by him to A. Erdmann who analyzed and first described it. The same mineral was independently described as yttrotitanite by Scheerer (1844).
A variety of Titanite

An yttrium-bearing titanite with up to 10% Y2O3.
Originally described from Buø, Tromøysund, Arendal, Aust-Agder, Norway by Erdmann (1844).


Chemical Properties of KeilhauiteHide

Formula:
(Ca,Y3+)(Ti,Al,Fe3+)[SiO4]O

First Recorded Occurrence of KeilhauiteHide

Other Language Names for KeilhauiteHide

German:Keilhauit
Spanish:Keilhauita

Common AssociatesHide

Associated Minerals Based on Photo Data:
K Feldspar1 photo of Keilhauite associated with K Feldspar on mindat.org.
Orthoclase1 photo of Keilhauite associated with Orthoclase on mindat.org.

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 KeilhauiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Erdmann, A. (1844): Undersökning af et nytt, Ytterjords- och Titansyrehaltigt Mineral från Buö, i trakten af Arendal i Norrige. Kongliga Svenska Vetenskaps-Akademiens Handlingar, 355-361.
Scheerer, T. (1844): Yttro-Titanit, eine neue mineralspecies. Annalen der Physik und Chemie (herausgegeben zu Berlin von J.C. Poggendorff), 63: 459-462.
Weibye, P. C. (1848): Beiträge zur topograpischen Mineralologie Norwegens. Archiv für Mineralogie, Geognosie, Bergbau und Hüttenkunde. 22: 465-544.

Internet Links for KeilhauiteHide

Localities for KeilhauiteHide

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.
Japan
 
  • Honshu Island
    • Tohoku Region
      • Iwate Prefecture
        • Tono City
          • Miyamori
Dr. Yohachiro Okamoto collection (curated at Geological Survey museum, Japan)
Namibia
 
  • Erongo Region
    • Arandis
Harvard Museum no. 89494
Norway
 
  • Aust-Agder
    • Arendal
Erdmann, A. (1844): Undersökning af et nytt, Ytterjords- och Titansyrehaltigt Mineral från Buö, i trakten af Arendal i Norrige. Kongliga Svenska Vetenskaps-Akademiens Handlingar, 355-361
Erdmann, A. (1844): Undersökning af et nytt, Ytterjords- och Titansyrehaltigt Mineral från Buö, i trakten af Arendal i Norrige. Kongliga Svenska Vetenskaps-Akademiens Handlingar: 355-361
USA
 
  • Rhode Island
    • Providence Co.
      • Johnston
George, Gilbert (1972). Latest Finds at Rhode Island Road Cuts(Micromounters of New England no. 17, Feb. 1972).
AmMin 23:149
www.minsocam.org/ammin/AM23/AM23_149.pdf.
      • South Kingstown
Mineral and/or Locality  
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