Keilhauite
A variety of Titanite
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About Keilhauite
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).
First Recorded Locality:
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).
An yttrium-bearing titanite with up to 10% Y2O3.
Originally described from Buø, Tromøysund, Arendal, Aust-Agder, Norway by Erdmann (1844).
Unique Identifiers
Mindat ID:
8069 (as Keilhauite)
3977 (as Titanite)
3977 (as Titanite)
Long-form identifier:
mindat:1:1:8069:5 (as Keilhauite)
mindat:1:1:3977:8 (as Titanite)
mindat:1:1:3977:8 (as Titanite)
GUID
(UUID V4):
(UUID V4):
0ec0c5cd-6013-4a0a-8854-4d2bc7a39140 (as Keilhauite)
1d735bb3-83ab-48ca-87d2-4092cdbf88a1 (as Titanite)
1d735bb3-83ab-48ca-87d2-4092cdbf88a1 (as Titanite)
Chemistry of Keilhauite
Mindat Formula:
(Ca,Y3+)(Ti,Al,Fe3+)[SiO4]O
First Recorded Occurrence of Keilhauite
Other Language Names for Keilhauite
German:Keilhauit
Spanish:Keilhauita
Common Associates
Associated Minerals Based on Photo Data:
1 photo of Keilhauite associated with K Feldspar | |
1 photo of Keilhauite associated with Orthoclase | K(AlSi3O8) |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Keilhauite
mindat.org URL:
https://www.mindat.org/min-8069.html
Please feel free to link to this page.
Please feel free to link to this page.
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References for Keilhauite
Reference List:
Localities for Keilhauite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and 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 (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Japan | |
| Dr. Yohachiro Okamoto collection (curated at Geological Survey museum, Japan) |
Namibia | |
| Harvard Museum no. 89494 |
Norway | |
| Erdmann (1844) |
| Erdmann (1844) |
USA | |
| George (1972) |
AmMin 23:149 | |
... | |
|
Arendal, Agder, Norway