Classification of Mccrillisite |
| IMA status: | Approved |
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| Strunz 8th edition ID: | 7/C.02-35
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| Nickel-Strunz 10th (pending) edition ID: | 8.CA.20
8 : PHOSPHATES, ARSENATES, VANADATES C : Phosphates without additional anions, with H2O A : With small and large/medium cations |
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| Dana 8th edition ID: | 40.5.4.2
40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES 5 : AXO4·xH2O |
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| mindat.org URL: | http://www.mindat.org/min-7174.html Please feel free to link to this page. |
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Type Occurrence of Mccrillisite |
| Type Locality: | Mt Mica Quarry, Paris, Oxford Co., Maine, USA |
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| Year of Discovery: | 1994 |
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Physical Properties of Mccrillisite |
| Lustre: | Vitreous |
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| Hardness (Mohs): | 4½ |
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Crystallography of Mccrillisite |
| Crystal System: | Tetragonal |
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| Cell Parameters: | a = 6.57Å, c = 17.28Å
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| Ratio: | a:c = 1 : 2.63 |
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| Unit Cell Volume: | V 745.89 ų (Calculated from Unit Cell) |
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Optical Data of Mccrillisite |
| Type: | Uniaxial (+) |
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| RI values: | nω = 1.634 nε = 1.645 |
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| Maximum Birefringence: | δ = 0.011
 Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration. |
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| Surface Relief: | Moderate |
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Chemical Properties of Mccrillisite |
| Formula: | |
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| Essential elements: | Be, Cs, H, Na, O, P, Zr |
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| All elements listed in formula: | Be, Cs, H, Li, Na, O, P, Zr |
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| Common Impurities: | Al,Ca,Mg,Mn,Fe,Sr,K,Zn,Hf,Rb,F |
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Relationship of Mccrillisite to other Species |
Related Minerals - Nickel-Strunz Grouping):
- + | |
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Other Names for Mccrillisite |
| 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 Mccrillisite |
| Reference List: | New Minerals (1997), New Minerals 1990-1994.
Foord, E. E., Brownfield, M. E., Lichte, F. E., Davis, A. M. and Sutley, S. J. (1994): Mccrillisite, NaCs(Be,Li)Zr2(PO4)4.1-2H2O, a new mineral species from Mount Mica, Oxford County, Maine, and new data for gainesite. Can. Mineral. 32, 839-42.
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Internet Links for Mccrillisite |
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| External Links: | Look for Mccrillisite on WebmineralLook for Mccrillisite on Athena MineralogyLook for Mccrillisite on WikipediaLook for Mccrillisite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Mccrillisite in the Natural History Museum (London) online catalogueMccrillisite details from Handbook of Mineralogy (PDF) |
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Localities for Mccrillisite |
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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