Classification of Nevadaite |
| IMA status: | Approved 2002 |
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| Nickel-Strunz 10th (pending) edition ID: | 8.DC.60
8 : PHOSPHATES, ARSENATES, VANADATES D : Phosphates, etc. with additional anions, with H2O C : With only medium-sized cations, (OH, etc.):RO4 = 1:1 and < 2:1 |
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| mindat.org URL: | http://www.mindat.org/min-25696.html Please feel free to link to this page. |
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Type Occurrence of Nevadaite |
| Type Locality: | Gold Quarry Mine (Maggie claims), Maggie Creek District, Eureka Co., Nevada, USA |
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| Associated Minerals at type locality: | |
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Physical Properties of Nevadaite |
| Lustre: | Vitreous |
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| Diaphaneity (Transparency): | Translucent |
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| Colour: | Pale green, turquoise |
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| Streak: | Pale powder-blue |
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| Hardness (Mohs): | 3 |
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| Hardness Data: | Estimated |
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| Tenacity: | Brittle |
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| Cleavage: | None Observed |
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| Fracture: | Conchoidal |
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| Density (measured): | 2.54 g/cm3 |
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| Density (calculated): | 2.55 g/cm3 |
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Crystallography of Nevadaite |
| Crystal System: | Orthorhombic |
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| Class (H-M): | mmm (2/m 2/m 2/m) - Dipyramidal |
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| Cell Parameters: | a = 12.123Å, b = 18.999Å, c = 4.961Å
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| Ratio: | a:b:c = 0.638 : 1 : 0.261 |
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| Unit Cell Volume: | V 1,142.64 ų (Calculated from Unit Cell) |
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| Morphology: | Radiating clusters to 1 mm of prismatic crystals, occasionally covering surfaces greater than 2 cm diameter. Individual crystals are elongate on [001] with a length:width ratio of greater than 10:1 and a maximum diameter of approx. 30 mm. Also as spherules and druses. |
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| Comment: | Space group P21mn. |
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| X-Ray Powder Diffraction: | | d-spacing | | Intensity | | 6.077 | | (10) | | 5.618 | | (9) | | 9.535 | | (8) | | 2.983 | | (6) | | 3.430 | | (4) | | 2.661 | | (4) | | 1.844 | | (4) |
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Optical Data of Nevadaite |
| Type: | Biaxial (-) |
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| RI values: | nα = 1.540 nβ = 1.548 nγ = 1.553 |
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| 2V: | Measured: 76° , Calculated: 76° |
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| Maximum Birefringence: | δ = 0.013
 Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration. |
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| Surface Relief: | Low |
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| Pleochroism: | Visible |
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| Comments: | X = pale greenish blue
Y = very pale greenish blue
Z = blue |
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| Comments: | orientation: X = c, Y = a, Z = b |
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Chemical Properties of Nevadaite |
| Formula: | | (Cu | | ,Al,V | | ) | | Al | | (PO | | ) | | F | | (OH) | | · 22H | | O |
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| Essential elements: | Al, Cu, F, H, O, P |
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| All elements listed in formula: | Al, Cu, F, H, O, P, V |
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Relationship of Nevadaite to other Species |
Related Minerals - Nickel-Strunz Grouping):
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Other Names for Nevadaite |
| 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 Nevadaite |
Reference List:
- + | Cooper, M.A., Hawthorne, F.C., Roberts, A.C., Foord, E.E., Erd, R.C., Evans, H.T., Jr., and Jensen, M.C. (2004) Nevadaite, (Cu 2+,◻,Al,V 3+)6[Al8(PO4)8F8](OH)2(H2O)22, a new phosphate mineral species from the Gold Quarry mine, Carlin, Eureka County, Nevada: Description and crystal structure. Canadian Mineralogist: 42(3): 741-752.
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Internet Links for Nevadaite |
| Search Engines: |
Look for Nevadaite on Google
Look for Nevadaite images on Google |
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| External Links: | Look for Nevadaite on WebmineralLook for Nevadaite on Athena Mineralogy[Link Broken?]Look for Nevadaite 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 Nevadaite |
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