Classification of Kvanefjeldite |
| IMA status: | Approved |
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| Strunz 8th edition ID: | 8/G.08-10
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| Nickel-Strunz 10th (pending) edition ID: | 9.DP.30
9 : SILICATES (Germanates) D : Inosilicates P : Transitional ino-phyllosilicate structures |
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| Dana 8th edition ID: | 72.5.3.1
72 : PHYLLOSILICATES Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings 5 : Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with corrugated and complex layers |
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| Hey's CIM Ref.: | 14.18.28
14 : Silicates not Containing Aluminum 18 : Silicates of Mn and Na, K, Mg, Ca or Fe |
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| mindat.org URL: | http://www.mindat.org/min-2302.html Please feel free to link to this page. |
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Type Occurrence of Kvanefjeldite |
| Type Locality: | Kvanefjeld Mt., Kuannersuit (Kvanefjeld) plateau, Ilimaussaq complex, Narsaq, Kitaa (West Greenland) Province, Greenland |
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| Year of Discovery: | 1984 |
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Physical Properties of Kvanefjeldite |
| Hardness (Mohs): | 5½ - 6 |
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Crystallography of Kvanefjeldite |
| Crystal System: | Orthorhombic |
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| Cell Parameters: | a = 10.21Å, b = 15.87Å, c = 9.05Å
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| Ratio: | a:b:c = 0.643 : 1 : 0.57 |
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| Unit Cell Volume: | V 1,466.40 ų (Calculated from Unit Cell) |
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Optical Data of Kvanefjeldite |
| Type: | Biaxial (+) |
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| RI values: | nα = 1.522 nβ = 1.522 nγ = 1.543 |
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| Maximum Birefringence: | δ = 0.021
 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: | r < v distinct |
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Chemical Properties of Kvanefjeldite |
| Formula: | |
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| Essential elements: | Ca, H, Na, O, Si |
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| All elements listed in formula: | Ca, H, Mn, Na, O, Si |
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| Common Impurities: | Ti,Al,Y,Fe,Mg,K |
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Relationship of Kvanefjeldite 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 Kvanefjeldite |
| Synonyms: | |
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| German names: | |
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| Spanish 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 Kvanefjeldite |
| Reference List: | Neues Jahrbuch für Mineralogie, Monatshefte (1983): 505-512.
Canadian Mineralogist (1984): 22: 465-467.
American Mineralogist (1985): 70: 73.
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Internet Links for Kvanefjeldite |
| Search Engines: |
Look for Kvanefjeldite on Google
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| External Links: | Look for Kvanefjeldite on WebmineralLook for Kvanefjeldite on Athena MineralogyLook for Kvanefjeldite on WikipediaLook for Kvanefjeldite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Kvanefjeldite in the Natural History Museum (London) online catalogueKvanefjeldite details from Handbook of Mineralogy (PDF) |
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Localities for Kvanefjeldite |