Classification of Pinalite |
| IMA status: | Approved 1988 |
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| Strunz 8th edition ID: | 3/D.10-160
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| Nickel-Strunz 10th (pending) edition ID: | 3.DC.55
3 : HALIDES D : Oxyhalides, hydroxyhalides and related double halides C : With Pb (As,Sb,Bi), without Cu |
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| Dana 8th edition ID: | 10.2.9.1
10 : OXYHALIDES AND HYDROXYHALIDES 2 : A(O,OH)Xq |
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| Hey's CIM Ref.: | 27.4.11
27 : Sulphites, Chromates, Molybdates and Tungstates 4 : Tungstates |
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| mindat.org URL: | http://www.mindat.org/min-3215.html Please feel free to link to this page. |
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Type Occurrence of Pinalite |
| Type Locality: | Mammoth-Saint Anthony Mine (Mammoth-St Anthony Mine; Mammoth Mine; St. Anthony Mine; Tiger property; Mammoth Gold Mines Ltd. property), St. Anthony deposit, Tiger, Mammoth District, Pinal Co., Arizona, USA |
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| Year of Discovery: | 1989 |
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Physical Properties of Pinalite |
| Lustre: | Adamantine |
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| Colour: | Yellow |
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Crystallography of Pinalite |
| Crystal System: | Orthorhombic |
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| Cell Parameters: | a = 11.07Å, b = 13.08Å, c = 5.62Å
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| Ratio: | a:b:c = 0.846 : 1 : 0.43 |
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| Unit Cell Volume: | V 813.75 ų (Calculated from Unit Cell) |
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Optical Data of Pinalite |
| Type: | Biaxial (+) |
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| RI values: | nα = 2.490 nβ = 2.495 nγ = 2.505 |
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| 2V: | Measured: 70° to 70.5°, Calculated: 72° |
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| Maximum Birefringence: | δ = 0.015
 Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration. |
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| Surface Relief: | Very High |
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| Dispersion: | r > v moderate |
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Chemical Properties of Pinalite |
| Formula: | |
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| Essential elements: | Cl, O, Pb, W |
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| All elements listed in formula: | Cl, O, Pb, W |
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Relationship of Pinalite to other Species |
| Related Minerals - Nickel-Strunz Grouping): | |
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| Related Minerals - Hey's Index Grouping: | |
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Other Names for Pinalite |
| Synonyms: | |
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| German names: | |
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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 Pinalite |
| Reference List: | Dunn, P.J., et al (1989), Pinalite, a new lead tungstate chloride mineral from the Mammoth mine, Pinal Co., AZ, American Mineralogist: 74: 934-935.
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Internet Links for Pinalite |
| Search Engines: |
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| External Links: | Look for Pinalite on WebmineralLook for Pinalite on Athena MineralogyLook for Pinalite on WikipediaLook for Pinalite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Pinalite in the Natural History Museum (London) online cataloguePinalite details from Handbook of Mineralogy (PDF) |
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Localities for Pinalite |
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