Classification of Orschallite |
| IMA status: | Approved 1990 |
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| Strunz 8th edition ID: | 4/K.05-15
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| Nickel-Strunz 10th (pending) edition ID: | 4.JE.15
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
E : Sulfites |
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| Dana 8th edition ID: | 34.8.7.1
34 : SELENITES, TELLURITES AND SULFITES
8 : Compound Selenites, Tellurites and Sulfites |
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| mindat.org URL: | http://www.mindat.org/min-3022.html
Please feel free to link to this page. |
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Type Occurrence of Orschallite |
| Type Locality: | Hannebacher Ley (Hannebacher Lay), Hannebach, Niederzissen, Eifel Mts, Rhineland-Palatinate, Germany |
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| Year of Discovery: | 1993 |
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Physical Properties of Orschallite |
| Hardness (Mohs): | 4 |
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Crystallography of Orschallite |
| Crystal System: | Trigonal |
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| Cell Parameters: | a = 11.35Å, c = 28.32Å
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| Ratio: | a:c = 1 : 2.495 |
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| Unit Cell Volume: | V 3,159.48 ų (Calculated from Unit Cell) |
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Optical Data of Orschallite |
| Type: | Uniaxial (+) |
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| RI values: | nω = 1.494 nε = 1.496 |
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| Maximum Birefringence: | δ = 0.002
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 Orschallite |
| Formula: | |
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| Essential elements: | Ca, H, O, S |
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| All elements listed in formula: | Ca, H, O, S |
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Relationship of Orschallite to other Species |
Related Minerals - Nickel-Strunz Grouping):
- + | |
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Other Names for Orschallite |
| 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 Orschallite |
| Reference List: | Weidenthaler, C., Tillmanns, E., Hentschel, G. (1993): Orschallite, Ca3(SO3)2SO4*12H2O, a new calcium-sulfite-sulfate-hydrate mineral. Mineralogy and Petrology, 48, 167-177. |
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Internet Links for Orschallite |
| Search Engines: |
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| External Links: | Look for Orschallite on WebmineralLook for Orschallite on Athena MineralogyLook for Orschallite on WikipediaLook for Orschallite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Orschallite in the Natural History Museum (London) online catalogueOrschallite details from Handbook of Mineralogy (PDF) |
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| Mineral Dealers: | Find Orschallite on www.crystalclassics.co.ukBuy from David K Joyce mineralsSearch for - Orschallite - on e-Rocks Mineral Sales & Auctionsrare and unusual minerals mainly crystallizedWilensky Fine MineralsWendel Minerals - Auktion & ShopLapis Mineral MagazinEdwards Minerals - Fine SpecimensDAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.High-end worldwide specimens & outstanding customer serviceMineral Classics - Worldwide Collector Quality Minerals and GemsFabre Minerals - search for Orschallite specimens |
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Localities for Orschallite |
The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the  symbol to view information about a locality.
The symbol next to localities in the list
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