| Locality type: | Road Cutting |
| Classification |
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| Species: | Heyerdahlite |
| Formula: | Na3Mn7Ti2(Si4O12)2O2(OH)4F(H2O)2 |
| Chemical Analyses: |
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| Oxide wt%: | | 1 |
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| Nb2O5 | 1.67 % |
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| ZrO2 | 0.53 % |
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| TiO2 | 10.37 % |
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| SiO2 | 35.17 % |
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| PbO | 0.22 % |
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| ZnO | 1.34 % |
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| FeO | 0.14 % |
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| MnO | 32.50 % |
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| CaO | 0.03 % |
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| MgO | 0.30 % |
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| Cs2O | 0.12 % |
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| Rb2O | 0.82 % |
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| K2O | 2.33 % |
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| Na2O | 5.70 % |
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| F | 1.49 % |
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| H2O, calc | 4.12 % |
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| F=O | -0.63 % |
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| Total: | 96.22 % |
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| Empirical formulas: | | 1 | (Na1.18K0.68Rb0.12Cs0.01Pb0.01)ÎŁ2Na1.00(Mn6.29Zn0.23Mg0.07Zr0.04Fe2+0.03Ca0.01Na0.34)ÎŁ7.01(Ti1.78Nb0.17Mg0.03Zr0.02)ÎŁ2(Si8.03O24)O2[(OH)3.92F0.08]ÎŁ4F1.00[(H2O)1.18â»0.82]ÎŁ2 |
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| Sample references: | |
| 1 | Type Specimen | Sokolova, Elena, Day, Maxwell C., Hawthorne, Frank C., Kristiansen, Roy (2018) Heyerdahlite, Na3Mn7Ti2(Si4O12)2O2(OH)4F(H2O)2, a new mineral of the astrophyllite supergroup from the Larvik Plutonic complex, Norway: Description and crystal structure. Mineralogical Magazine, 82 (2) 243-255 doi:10.1180/minmag.2017.081.051 |
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| Confirmation |
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| Validity: | Valid - Type Locality |
| Data |
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| Mineral Data: | Click here to view Heyerdahlite data |
| Locality Data: | Click here to view Bratthagen 1, LĂ„gendalen, Hedrum, Larvik, Vestfold, Norway |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1071988 |
| Long-form Identifier: | 1:3:1071988:8 |
| GUID (UUID V4): | 780a96fe-6bb5-4db7-9889-02b2b6402547 |
| References |
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Sokolova, Elena, Day, Maxwell C., Hawthorne, Frank C., Kristiansen, Roy (2018) Heyerdahlite, Na3Mn7Ti2(Si4O12)2O2(OH)4F(H2O)2, a new mineral of the astrophyllite supergroup from the Larvik Plutonic complex, Norway: Description and crystal structure. Mineralogical Magazine, 82 (2) 243-255 doi:10.1180/minmag.2017.081.051 |
Bratthagen 1, LĂ„gendalen, Hedrum, Larvik, Vestfold, Norway