Classification of Allabogdanite |
| IMA status: | Approved 2000 |
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| Strunz 8th edition ID: | 1/A.11-15
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| Nickel-Strunz 10th (pending) edition ID: | 1.BD.15
1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides) B : Metallic Carbides, Silicides, Nitrides and Phosphides D : Phosphides |
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| Dana 7th edition ID: | 1.1.32.2 |
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| mindat.org URL: | http://www.mindat.org/min-11008.html Please feel free to link to this page. |
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Type Occurrence of Allabogdanite |
| Type Locality: | Onello meteorite, Bol'shoy Dolguchan River, Onello River basin, Aldan shield, Saha Republic (Sakha Republic; Yakutia), Eastern-Siberian Region, Russia |
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| General Appearance of Type Material: | Lath-like crystals to 0.4x0.1x0.01mm |
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| Year of Discovery: | 1997 |
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| Geological Setting of type material: | In 'Plessite' - an intergrowth of Taenite and Kamacite |
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| Associated Minerals at type locality: | |
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Occurrences of Allabogdanite |
| Geological Setting: | Iron meteorites |
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Physical Properties of Allabogdanite |
| Lustre: | Metallic |
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| Diaphaneity (Transparency): | Opaque |
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| Colour: | Light straw-yellow |
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| Hardness (Mohs): | 5 - 6 |
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| Tenacity: | Brittle |
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| Cleavage: | None Observed |
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| Density (calculated): | 7.11 g/cm3 |
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Crystallography of Allabogdanite |
| Crystal System: | Orthorhombic |
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| Class (H-M): | mmm (2/m 2/m 2/m) - Dipyramidal |
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| Space Group: | Pnma {P21/n 21/m 21/a} |
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| Cell Parameters: | a = 5.748Å, b = 3.548Å, c = 6.661Å
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| Ratio: | a:b:c = 1.62 : 1 : 1.877 |
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| Unit Cell Volume: | V 135.8 ų |
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| Z: | 4 |
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| Morphology: | {001} and probably {110} and {100}; flattened on {001} |
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| Twinning: | Gypsum-like possibly with twin-plane {110} |
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| X-Ray Powder Diffraction: | | d-spacing | | Intensity | | 2.238 | | (100) | | 210) | | ( | | 2.120 | | (80) | | 2.073 | | (70) | | 1.884 | | (50) | | 212) | | ( | | 1.843 | | (40) | | 1.788 | | (40) | | 1.774 | | (40) | | 1.758 | | (40) | | 1.346 | | (40) | | 313 | | ( | | 410) | | ( |
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Optical Data of Allabogdanite |
| Type: | Anisotropic |
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| Anisotropism: | Distinct, light to dark creamy |
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| Reflectivity: | | 480nm | R1=47.0% | R2= 37.6% | | 540nm | R1=48.2% | R2=39.2% | | 580nm | R1=49.6% | R2=40.7% | | 660nm | R1=52.3% | R2= 44.3% |
Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 52.3%. R1 shown in black, R2 shown in red |
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| Colour in reflected light: | Creamy |
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Chemical Properties of Allabogdanite |
| Formula: | |
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| Essential elements: | Fe, Ni, P |
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| All elements listed in formula: | Fe, Ni, P |
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| Analytical Data: | Means of nine sets of electron microprobe data
Ni 20.07%
Fe 57.7%
Co 1.4%
P 20.4%
Total 100.2 wt.% |
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| Empirical Formula: | |
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Relationship of Allabogdanite to other Species |
Related Minerals - Nickel-Strunz Grouping):
- + | |
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Other Names for Allabogdanite |
| 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 Allabogdanite |
| Reference List: | Britvin, S.N., Rudashevskii, N.S., Krivovichev, S.V., Burns, P.C., and Polekhovsky, Y.S. (2002) Allabogdanite, (Fe,Ni)2P, a new mineral from the Onello meteorite: The occurrence and crystal structure. American Mineralogist: 87: 1245-1249.
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Internet Links for Allabogdanite |
| Search Engines: |
Look for Allabogdanite on Google
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| External Links: | Look for Allabogdanite on WebmineralLook for Allabogdanite on Athena MineralogyLook for Allabogdanite on WikipediaLook for Allabogdanite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Allabogdanite in the Natural History Museum (London) online catalogueAllabogdanite details from Handbook of Mineralogy (PDF) |
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Localities for Allabogdanite |