Mineral name
| Akaogiite
| 
Reflected-light photograph, displaying an aggregate of akaogiite grains. |
Hölzel-No.
|
4.DL.105 |
Type of specimen
|
HT |
IMA-No. / Accepted
|
2007-058 |
Chemical formula
|
TiO2 |
Type locality
|
Germany, Bavaria, Ries Crater, Altebürg, Otting and Seelbronn |
Associated minerals
|
Biotite, rutile; in garnet gneisses |
Collection
|
Bayerisches Geoinstitut - Universität Bayreuth |
Contact person
|
- - - |
Catalogue−No. / Site
|
El Goresy Schliff No. BGI 3 |
Nature of
type specimen
|
Polished thin section |
References
Akaogiite: An ultra-dense polymorph of TiO2 with the baddeleyite-type structure, in shocked garnet gneiss from the Ries Crater, Germany.
El Goresy, A., Dubrovinsky, L., Gillet, P., Graup, G. and Chen, M. (2010)
American Mineralogist, 95, 892-895
|
Notes / Further information
High pressure alteration product of rutilel. Produced during the impact of the Ries asteroid 14,8 M.a. ago at ≤ 22 Gpa and T ≥ 1000°C. |
|
