Where it forms, where it's found
- Geological setting
Granitic pegmatite.
- Type locality
- Pikes Peak
- El Paso County
- Colorado
- USA
38.8403°, -105.0419°
4recorded occurrences
Physical
- Colour
- Bluish-black
Crystallography
- Space group
- C2/m
- Cell parameters
- a = 9.811(3) Å · b = 18.013(5) Å · c = 5.326(2) Å
- Cell angles
- β = 103.68(1) °
- Ratio a:b:c
- 1 : 1.836 : 0.543
- Z
- 2
- Comment
Hawthorne, 1978.
Crystal structure
Synonyms
- Fluor-riebeckite
- Fluoro-riebeckiet
In other languages
- German
- Fluoro-Riebeckit
- Italian
- fluor-riebeckite · fluoro-riebeckite
Classification
Strunz
10th ed.9.DE.25
- 9SilicatesClass
- 9.DInosilicatesDivision
- 9.DEInosilicates with 2-periodic double chains, Si4O11; ClinoamphibolesGroup
- 9.DE.25Fluoro-riebeckiteSpecies
Group, growth & confusion
Literature, links & citation
Citations
- 1966Gross, E. B., Heinrich, E. Wm. (1966) Petrology and mineralogy of the Mount Rosa area, El Paso and Teller Counties, Colorado. II. Pegmatites. American Mineralogist, 51 (3-4) 299-323
- 1978Hawthorne, F.C. (1978), The crystal structure of the amphiboles. VIII. The crystal structure and site chemistry of fluor-riebeckite. Canadian Mineralogist: 16: 187-194.
- 1988Birchall, T., Grundy, H. D., & Liao, X. W. (1988) 57Fe Mössbauer study of f-riebeckite. Hyperfine Interactions, 41(1), 759-762.
- 2012Hawthorne, F. C., Oberti, R., Harlow, G. E., Maresch, W. V., Martin, R. F., Schumacher, J. C., Welch, M. D. (2012) Nomenclature of the amphibole supergroup. American Mineralogist, 97 (11) 2031-2048 doi:10.2138/am.2012.4276 DOI: 10.2138/am.2012.4276
Cite this entry
@misc{mineral2026,
author = {Mineral Index editorial board},
title = {Fluoro-riebeckite — Mineral Index},
year = {2026},
url = {https://mineralindex.org/minerals/fluoro-riebeckite-43487},
note = {Accessed 2026-05-11}
}