Classification of Oneillite |
| IMA status: | Approved |
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| Strunz 8th edition ID: | 8/E.23-40
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| Nickel-Strunz 10th (pending) edition ID: | 9.CO.10
9 : SILICATES (Germanates) C : Cyclosilicates O : [Si9O27]18- 9-membered rings |
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| mindat.org URL: | http://www.mindat.org/min-7205.html Please feel free to link to this page. |
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Type Occurrence of Oneillite |
| Type Locality: | Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville Co., Québec, Canada |
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Physical Properties of Oneillite |
| Lustre: | Vitreous |
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| Hardness (Mohs): | 5 - 6 |
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Crystallography of Oneillite |
| Crystal System: | Trigonal |
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Optical Data of Oneillite |
| Type: | Uniaxial (-) |
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| RI values: | nω = 1.645 nε = 1.641 |
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| Maximum Birefringence: | δ = 0.004
 Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration. |
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| Surface Relief: | Moderate |
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Chemical Properties of Oneillite |
| Formula: | | Na | | Ca | | Mn | | Fe | | Zr | | Nb(Si | | O | | )(O,OH,H | | O) | | (OH,Cl) | | |
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| Essential elements: | Ca, Fe, H, Mn, Na, Nb, O, Si, Zr |
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| All elements listed in formula: | Ca, Cl, Fe, H, Mn, Na, Nb, O, Si, Zr |
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Relationship of Oneillite to other Species |
| Member of: | Eudialyte Group |
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Related Minerals - Nickel-Strunz Grouping):
- + | |
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Other Names for Oneillite |
| Synonyms: | |
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| Other Languages: | |
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Other Information |
| Health Warning: | No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care. |
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References for Oneillite |
| Reference List: | Johnsen, O., Grice, J.D., and Gault, R.A. (1999b) Oneillite: a new Ca-deficient and REE-rich member of the eudialyte group from Mont Saint-Hilaire, Quebec, Canada. Canadian Mineralogist: 37: 1295-1301.
Khomyakov, A.P., Nechelyustov, G.N., Rastsvetaeva, R.K. (2007): Aqualite, (H3O)8(Na,K,Sr)5Ca6Zr3Si26O66(OH)9Cl, a new eudialyte-group mineral from Inagli alkaline massif (Sakha-Yakutia,Russia),and the problem of oxonium in hydrated eudialytes. Proceedings of the Russian Mineralogical Society (Zapiski RMO), 136(2), 39-55.
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Articles/Blogs about Oneillite |
Internet Links for Oneillite |
| Search Engines: |
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| External Links: | Look for Oneillite on WebmineralLook for Oneillite on Athena MineralogyLook for Oneillite on WikipediaLook for Oneillite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Oneillite in the Natural History Museum (London) online catalogue |
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| Mineral Dealers: | Fabre Minerals - search for Oneillite specimensTop quality minerals from Kristalle of Californiarare and unusual minerals mainly crystallizedRare and Unusual minerals at Mineralogical Research CompanySearch for Oneillite on minvision.comMineral Classics - Worldwide Collector Quality Minerals and GemsThe Arkenstone - Fine MineralsHigh-end worldwide specimens & outstanding customer serviceBuy minerals from Mineralium.comSearch for - Oneillite - on e-Rocks Mineral Sales & AuctionsBuy fine minerals and gemstones from Pala InternationalBuy Fine Minerals from mineralsweb.com |
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Localities for Oneillite |
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