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Name: Rynersonite RRUFF ID: R080064 Ideal Chemistry: CaTa2O6 Locality: Ampanodiana South pegmatite, Tetezantsio-Andoabatokely Pegmatite Field, Andrembesoa Commune, Betafo Department, Vakinankaratra Region (Betafo - Antsirabé region), Antananarivo Province, Madagascar Source: Michael Scott S102384 [view label] Owner: RRUFF Description: Columnar aggregate of dark gray prismatic crystals, associated with quartz, orthoclase, liddicoatite and behierite Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
Mineral Group: [ Aeschynite (8) ] | ||
Quick search: [ All Rynersonite samples (2) ] |
CHEMISTRY | ||||||
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RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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RRUFF ID: | R080064 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 11.159(2)Å b: 7.531(2)Å c: 5.3508(8)Å alpha: 90° beta: 90° gamma: 90° Volume: 449.6(2)Å3 Crystal System: orthorhombic |
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REFERENCES for Rynersonite | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the Mineralogical Society of America. [view file] |
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Ismailzade I G (1958) Crystal structure of the niobiates and the tantalates of bivalent metals and their solid solutions, 22, 1480-1482 |
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Jahnberg L, Andersson S, Magneli A (1959) Polymorphism in calcium tantalum(V) oxide CaTa2O6, Acta Chemica Scandinavica, 13, 1248-1249 |
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Jahnberg L (1963) Crystal structure of orthorhombic CaTa2O6, Acta Chemica Scandinavica, 17, 2548-2559 |
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Whiston C D, Smith A J (1967) Double oxides containing niobium or tantalum. II. Systems involving strontium or barium, Acta Crystallographica, 23, 82-84 |
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Foord E E, Mrose M E (1978) Rynersonite, Ca(Ta,Nb)2O6, a new mineral from San Diego County, California, American Mineralogist, 63, 709-714 [view file] |
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Kan A, Ogawa H (2008) Crystal structural characterization and microwave dielectric properties of Ca(Ta2-xNbx)O6 ceramics, Japanese Journal of Applied Physics, 47, 7716-7720 |
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