Where it forms, where it's found
- Geological setting
Volcanic vugs, pegmatite pockets, fumaroles.
128recorded occurrences
Physical
Optical
- UV response
- May show strong green UV fluorescence
Literature, links & citation
Citations
- 1973Flörke, O.W., Jones, J.B., Segnit, E.R. (1973) The genesis of hyalite. Neues Jahrbuch der Mineralogie, Monatshefte, H.2, 82-89.
- 1994Graetsch, H. (1994) Structural characteristics of opaline and microcrystalline silica minerals. in: Heaney, P.J., Gibbs, G.V., editors. Reviews in Mineralogy Volume 29 Silica - Physical behaviour, geochemistry and materials applications. Mineralogical Society of America, 209-232.
- 2016Othmane, Guillaume, Allard, Thierry, Vercouter, Thomas, Morin, Guillaume, Fayek, Mostafa, Calas, Georges (2016) Luminescence of uranium-bearing opals: Origin and use as a pH record. Chemical Geology, 423. 1-6 doi:10.1016/j.chemgeo.2015.12.010DOI: 10.1016/j.chemgeo.2015.12.010
- 2017Schindler, Michael, Fayek, Mostafa, Courchesne, Britanney, Kyser, Kurt, Hawthorne, Frank C. (2017) Uranium-bearing opals: Products of U-mobilization, diffusion, and transformation processes. American Mineralogist, 102 (6) 1154-1164 doi:10.2138/am-2017-5700DOI: 10.2138/am-2017-5700
Cite this entry
@misc{mineral2026,
author = {Mineral Index editorial board},
title = {Hyalite — Mineral Index},
year = {2026},
url = {https://mineralindex.org/minerals/hyalite-32188},
note = {Accessed 2026-05-11}
}