Classification of Joosteite |
| IMA status: | Approved 2005 |
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| Strunz 8th edition ID: | 7/B.03-62
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| Strunz 9th edition ID: | 8.BB.15
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| Nickel-Strunz 10th (pending) edition ID: | 8.BB.15
8 : PHOSPHATES, ARSENATES, VANADATES B : Phosphates, etc., with additional anions, without H2O B : With only medium-sized cations, (OH, etc.):RO4 about 1:1 |
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| Dana 8th edition ID: | 41.6.3.5
41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN 6 : A2(XO4)Zq |
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| mindat.org URL: | http://www.mindat.org/min-27436.html Please feel free to link to this page. |
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Type Occurrence of Joosteite |
| Type Locality: | Helikon II pegmatite, Okongava-Ost Farm 72, Karibib District, Erongo Region, Namibia |
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| General Appearance of Type Material: | irregular small aggregates up to 3mm in length |
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| Place of Conservation of Type Material: | Universitat Stuttgart, Germany; Museum d'Histoire Naturelle de Toulouse, France, and the Department de Mineralogia y Petrologia, Universidad del Pais Vasco, Bilbao, Spain |
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| Geological Setting of type material: | granitic rare element pegmatite |
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Physical Properties of Joosteite |
| Lustre: | Sub-Metallic |
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| Diaphaneity (Transparency): | Opaque |
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| Comment: | weak |
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| Colour: | grey with a brownish tinge, dark brown in thin section |
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| Hardness (Mohs): | 4 |
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| Tenacity: | Brittle |
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| Cleavage: | None Observed |
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| Density (calculated): | 4.13 g/cm3 |
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Crystallography of Joosteite |
| Crystal System: | Monoclinic |
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| Class (H-M): | 2/m - Prismatic |
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| Cell Parameters: | a = 11.888(2) Å, b = 6.409(1) Å, c = 9.804(2) Å β = 106.17(3)° |
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| Ratio: | a:b:c = 1.855 : 1 : 1.53 |
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| Unit Cell Volume: | V 717.3 ų |
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| Z: | 8 |
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| Twinning: | not observed |
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| X-Ray Powder Diffraction: | | d-spacing | | Intensity | | 2.819 | | (100) | | 3.077 | | (80) | | 3.209 | | (60) | | 2.082 | | (50) | | 1.787 | | (50) | | 1.495 | | (50) |
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Chemical Properties of Joosteite |
| Formula: | |
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| Essential elements: | Mn, O, P |
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| All elements listed in formula: | Fe, Mn, O, P |
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Relationship of Joosteite to other Species |
| Member of: | Wagnerite Group |
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Other Members of Group:
- + | |
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Related Minerals - Nickel-Strunz Grouping):
- + | |
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Other Names for Joosteite |
| Synonyms: | |
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| Other Languages: | |
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Other Information |
| Fluorescence in UV light: | no fluorescence |
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| 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 Joosteite |
Reference List:
- + | Keller, P, Fontan, F., Roldan, F. V., & P.de Parseval,:"Joosteite, Mn2+(Mn3+, Fe3+)(PO4)O: a new phosphate mineral from the Helikon II Mine, Karibib, Namibia" : Neues Jahrbuch für Mineralogie,Abhandlungen, 183(2), 197-201 (2007)
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Internet Links for Joosteite |
| Search Engines: |
Look for Joosteite on Google
Look for Joosteite images on Google |
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| External Links: | Look for Joosteite on WebmineralLook for Joosteite on Athena Mineralogy[Link Broken?]Look for Joosteite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure Database |
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| Jobs: | Mining & Geology Jobs |
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Localities for Joosteite |
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