Classification of Hillite |
| IMA status: | Approved 2003 |
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| Strunz 8th edition ID: | 7/C.17-15
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| Nickel-Strunz 10th (pending) edition ID: | 8.CG.05
8 : PHOSPHATES, ARSENATES, VANADATES C : Phosphates without additional anions, with H2O G : With large and medium-sized cations, RO4:H2O = 1:1 |
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| mindat.org URL: | http://www.mindat.org/min-25585.html Please feel free to link to this page. |
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Type Occurrence of Hillite |
| Type Locality: | Reaphook Hill, Martins Well, South Flinders Ranges, Flinders Ranges, South Australia, Australia |
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| General Appearance of Type Material: | Minute tabular crystals to 0.05 mm and wedge-shaped tabular aggregates to 0.2 mm |
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| Year of Discovery: | 1973 |
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| Associated Minerals at type locality: | |
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Physical Properties of Hillite |
| Lustre: | Vitreous, Silky |
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| Diaphaneity (Transparency): | Transparent, Translucent |
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| Colour: | colourless to greenish grey |
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| Streak: | white |
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| Hardness (Mohs): | 3½ |
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| Cleavage: | Perfect on {010} and {001} |
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| Density (measured): | 3.16 g/cm3 |
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Crystallography of Hillite |
| Crystal System: | Triclinic |
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| Class (H-M): | 1 - Pinacoidal |
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| Space Group: | P1 |
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| Cell Parameters: | a = 5.736Å, b = 6.767Å, c = 5.462Å α = 97.41°, β = 108.59°, γ = 107.19° |
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| Ratio: | a:b:c = 0.848 : 1 : 0.807 |
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| Unit Cell Volume: | V 186.05 ų (Calculated from Unit Cell) |
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| X-Ray Powder Diffraction: | | d-spacing | | Intensity | | 2.69 | | (100) | | 3.04 | | (40) | | 3.13 | | (35) |
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Chemical Properties of Hillite |
| Formula: | |
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| All elements listed in formula: | Ca, H, Mg, O, P, Zn |
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Relationship of Hillite to other Species |
Related Minerals - Nickel-Strunz Grouping):
- + | |
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Other Names for Hillite |
| Synonyms: | |
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| Other Languages: | |
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Other Information |
| Fluorescence in UV light: | weak, greenish yellow fluorescence in short-wave UV light |
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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 Hillite |
| Reference List: | Yakubovich, O., et al.: Canadian Mineralogist (2003): 41: 981-988.
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Internet Links for Hillite |
| Search Engines: |
Look for Hillite on Google
Look for Hillite images on Google |
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| External Links: | Look for Hillite on WebmineralLook for Hillite on Athena MineralogyLook for Hillite on WikipediaLook for Hillite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Hillite in the Natural History Museum (London) online catalogueHillite details from Handbook of Mineralogy (PDF) |
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| Mineral Dealers: | The Arkenstone - Fine MineralsBuy fine minerals and gemstones from Pala Internationalrare and unusual minerals mainly crystallizedFind Hillite on www.crystalclassics.co.ukWendel Minerals - Auktion & ShopSpiriferMinerals.com - high quality specimensEdwards Minerals - Fine SpecimensSearch for - Hillite - on e-Rocks Mineral Sales & AuctionsBuy minerals from Mineralium.comBuy Fine Minerals from mineralsweb.comFine Minerals from Dan Weinrich MineralsBuy from David K Joyce minerals |
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| Jobs: | Mining & Geology Jobs |
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Localities for Hillite |
The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the  symbol to view information about a locality.
The  symbol next to localities in the list
can be used to jump to that position on the map.
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