Classification of Gordaite |
| IMA status: | Approved 1996 |
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| Strunz 8th edition ID: | 3/D.03-25
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| Nickel-Strunz 10th (pending) edition ID: | 7.DF.50
7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates) D : Sulfates (selenates, etc.) with additional anions, with H2O F : With large and medium-sized cations |
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| mindat.org URL: | http://www.mindat.org/min-6975.html Please feel free to link to this page. |
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Type Occurrence of Gordaite |
| Type Locality: | San Francisco Mine (Beatrix Mine), Caracoles, Sierra Gorda District, Tocopilla Province, Antofagasta Region, Chile |
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Physical Properties of Gordaite |
| Lustre: | Vitreous |
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| Hardness (Mohs): | 2½ |
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Crystallography of Gordaite |
| Crystal System: | Trigonal |
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Optical Data of Gordaite |
| Type: | Uniaxial (-) |
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| RI values: | nω = 1.561 nε = 1.538 |
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| Maximum Birefringence: | δ = 0.022
 Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration. |
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| Surface Relief: | Low |
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Chemical Properties of Gordaite |
| Formula: | |
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| Essential elements: | Cl, H, Na, O, S, Zn |
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| All elements listed in formula: | Cl, H, Na, O, S, Zn |
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Relationship of Gordaite to other Species |
Related Minerals - Nickel-Strunz Grouping):
- + | |
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Other Names for Gordaite |
| 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 Gordaite |
| Reference List: | Schlüter, J., Klaska, K.-H., Friese, K., Adiwidjaja, G. and Gebhard, G. (1997): Gordaite, NaZn4(SO4)(OH)6Cl•6H2O, a new mineral from the San Francisco Mine, Antofagasta, Chile. Neues Jahrbuch für Mineralogie, Monatshefte (1997): 155-162.
Nasdala, L., Witzke, T., Ullrich, B. and Brett, R. (1998): Gordaite [Zn4Na(OH)6(SO4)Cl•6H2O]: second occurrence in the Juan de Fuca Ridge, and new data. American Mineralogist: 83, 1111-1116.
Mineralogical Record: 29: 235-236.
Zeitschrift für Kristallographie: 212: 704-707.
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Articles/Blogs about Gordaite |
Internet Links for Gordaite |
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| External Links: | Look for Gordaite on WebmineralLook for Gordaite on Athena MineralogyLook for Gordaite on WikipediaLook for Gordaite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Gordaite in the Natural History Museum (London) online catalogue |
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| Mineral Dealers: | Fabre Minerals - search for Gordaite specimensSearch for - Gordaite - on e-Rocks Mineral Sales & AuctionsFind Gordaite on www.crystalclassics.co.ukBuy minerals from Mineralium.comWright's Rock Shop - excellent mineral specimens since 1970rare and unusual minerals mainly crystallizedWendel Minerals - Auktion & ShopSearch for Gordaite at Thames Valley MineralsThe Arkenstone - Fine MineralsFine Minerals from Dan Weinrich MineralsBuy fine minerals and gemstones from Pala InternationalTop quality minerals from Kristalle of California |
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Localities for Gordaite |