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Name: Euclase RRUFF ID: R050623 Ideal Chemistry: BeAlSiO4(OH) Locality: Minas Gerais, Brazil Source: Gemmological Center Owner: RRUFF Description: Colorless flattened prismatic crystal Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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Quick search: [ All Euclase samples (4) ] |
CHEMISTRY | ||||||||
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INFRARED SPECTRUM (Attenuated Total Reflectance) | |||||||||||||
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POWDER DIFFRACTION | ||||||||
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RRUFF ID: | R050623.1 | |||||||
Sample Description: | Powder | |||||||
Cell Refinement Output: |
a: 4.7789(3)Å b: 14.3310(3)Å c: 4.6323(1)Å alpha: 90.° beta: 100.301(2)° gamma: 90.° Volume: 312.14(2)Å3 Crystal System: monoclinic |
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REFERENCES for Euclase | |
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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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Hauy R J (1792) De l´euclase, Observations sur la Physique, sur lHistoire Naturelle et sur les Arts, 41, 155-156 [view file] |
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Biscoe J, Warren B E (1933) The structure of euclase HBeAlSiO5, Zeitschrift für Kristallographie, 86, 292-297 [view file] |
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Mrose M E, Appleman D E (1962) The crystal structures and crystal chemistry of väyrynenite, (Mn,Fe)Be(PO4)(OH), and euclase, AlBe(SiO4)·(OH), Zeitschrift für Kristallographie, 117, 16-36 [view file] |
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Hofmeister A M, Hoering T C, Virgo D (1987) Vibrational spectroscopy of of beryllium aluminosilicates: heat capacity calculations from band assignments, Physics and Chemistry of Minerals, 14, 205-224 |
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Demartin F, Gramaccioli C M, Pilati T (1992) A first occurrence of euclase in the Swiss Alps: Discovery and refinement of the crystal structure, Schweizerische Mineralogische und Petrographische Mitteilungen, 72, 159-165 |
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Shannon R D, Shannon R C, Medenbach O, Fischer R X (2002) Refractive index and dispersion of fluorides and oxides, Journal of Physical and Chemical Reference Data, 31, 931-970 [view file] |
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Gilles-Guéry L, Galoisy L, Schnellrath J, Baptiste B, Calas G (2022) Mn3+ and the pink color of gem-quality euclase from northeast Brazil, American Mineralogist, 107, 489-494 |
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