Classification of Ikaite |
| IMA status: | Approved |
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| Strunz 8th edition ID: | 5/D.01-60
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| Nickel-Strunz 10th (pending) edition ID: | 5.CB.25
5 : CARBONATES (NITRATES) C : Carbonates without additional anions, with H2O B : With large cations (alkali and alkali-earth carbonates) |
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| Dana 8th edition ID: | 15.1.4.1
15 : HYDRATED NORMAL CARBONATES 1 : A(XO3)·xH2O |
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| Hey's CIM Ref.: | 11.4.5
11 : Carbonates 4 : Carbonates of Ca |
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| mindat.org URL: | http://www.mindat.org/min-2007.html Please feel free to link to this page. |
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Type Occurrence of Ikaite |
| Type Locality: | Ikka-Grønnedal complex, Ikka Firth, Ivittuut (Ivigtut), Arsuk Firth, Arsuk, Kitaa (West Greenland) Province, Greenland |
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| Year of Discovery: | 1962 |
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Crystallography of Ikaite |
| Crystal System: | Monoclinic |
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| Cell Parameters: | a = 8.87Å, b = 8.23Å, c = 11.02Å β = 110.2° |
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| Ratio: | a:b:c = 1.078 : 1 : 1.339 |
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| Unit Cell Volume: | V 754.98 ų (Calculated from Unit Cell) |
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Optical Data of Ikaite |
| Type: | Biaxial (-) |
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| RI values: | nα = 1.455 nβ = 1.538 nγ = 1.545 |
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| 2V: | Measured: 45° , Calculated: 30° |
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| Maximum Birefringence: | δ = 0.090
 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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| Dispersion: | distinct |
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Chemical Properties of Ikaite |
| Formula: | |
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| Essential elements: | C, Ca, H, O |
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| All elements listed in formula: | C, Ca, H, O |
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Relationship of Ikaite to other Species |
| Related Minerals - Nickel-Strunz Grouping): | |
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| Related Minerals - Hey's Index Grouping: | |
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Other Names for Ikaite |
| Synonyms: | |
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| German names: | |
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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 Ikaite |
| Reference List: | American Mineralogist (1964): 49: 439.
Zeitschrift für Kristallographie: 163: 227-231.
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Internet Links for Ikaite |
| Search Engines: |
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| External Links: | Look for Ikaite on WebmineralLook for Ikaite on Athena MineralogyLook for Ikaite on WikipediaLook for Ikaite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Ikaite in the Natural History Museum (London) online catalogueIkaite details from Handbook of Mineralogy (PDF) |
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Localities for Ikaite |