Classification of Reidite |
| IMA status: | Approved 2001 |
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| Strunz 8th edition ID: | 8/A.09-15
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| Nickel-Strunz 10th (pending) edition ID: | 9.AD.45
9 : SILICATES (Germanates) A : Nesosilicates D : Nesosilicates without additional anions; cations in [6] and/or greater coordination |
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| mindat.org URL: | http://www.mindat.org/min-11467.html Please feel free to link to this page. |
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Type Occurrence of Reidite |
| Co-type Localities: | Deep Sea Drilling Project Site 612, Upper continental slope of New Jersey, Atlantic Ocean Ocean Drilling Program Hole 903C, Upper continental slope of New Jersey, Atlantic Ocean Ocean Drilling Program Hole 904A, Upper continental slope of New Jersey, Atlantic Ocean Bath Cliff, Barbados |
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| General Appearance of Type Material: | skeletal crystals replacing zircon |
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| Geological Setting of type material: | in upper Eocene impact ejecta layer, probably from the Chesapeake Bay impact structure |
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Physical Properties of Reidite |
| Lustre: | Adamantine |
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| Colour: | Colourless |
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| Streak: | white |
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| Hardness (Mohs): | 7½ |
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| Tenacity: | Brittle |
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| Cleavage: | None Observed |
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| Fracture: | Irregular/Uneven |
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| Density (calculated): | 5.2 g/cm3 |
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Crystallography of Reidite |
| Crystal System: | Tetragonal |
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| Class (H-M): | 4/m - Dipyramidal |
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| Space Group: | I41/a |
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| Cell Parameters: | a = 4.738Å, c = 10.506Å
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| Ratio: | a:c = 1 : 2.217 |
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| Unit Cell Volume: | V 235.84 ų |
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| Z: | 4 |
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| Morphology: | skeletal crystals up to 10 µm in length and 0.3 µm in width |
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Epitaxial Relationships of Reidite |
| Epitaxial Minerals: | |
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Optical Data of Reidite |
| Type: | Uniaxial |
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| Pleochroism: | Non-pleochroic |
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Chemical Properties of Reidite |
| Formula: | |
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| All elements listed in formula: | O, Si, Zr |
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Relationship of Reidite to other Species |
Related Minerals - Nickel-Strunz Grouping):
- + | |
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Other Names for Reidite |
| 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 Reidite |
| Reference List: | Glass, B.P., S. Liu & P.B. Leavens (2002) Reidite: An impact-produced high-pressure polymorph of zircon found in marine sediments.- American Mineralogist: 87: 562-565.
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Internet Links for Reidite |
| Search Engines: |
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| External Links: | Look for Reidite on WebmineralLook for Reidite on Athena MineralogyLook for Reidite on WikipediaLook for Reidite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Reidite in the Natural History Museum (London) online catalogue |
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| Mineral Dealers: | High-end worldwide specimens & outstanding customer serviceWendel Minerals - Auktion & ShopFabre Minerals - search for Reidite specimensBuy Fine Minerals from mineralsweb.comFind Reidite on www.crystalclassics.co.ukRare and Unusual minerals at Mineralogical Research CompanySearch for - Reidite - on e-Rocks Mineral Sales & AuctionsBuy from David K Joyce mineralsBuy Minerals and Crystals from Crystalarium.comBuy minerals from Mineralium.comLapis Mineral MagazinTop quality minerals from Kristalle of California |
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| Jobs: | Mining & Geology Jobs |
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Localities for Reidite |
The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the  symbol to view information about a locality.
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