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Name: Herderite RRUFF ID: R100064 Ideal Chemistry: CaBe(PO4)F Locality: Medina, Minas Gerais, Brazil Source: Luiz Menezes [view label] Owner: RRUFF Description: Pale gray crystal Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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Mineral Group: [ Gadolinite (18) ] |
RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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RRUFF ID: | R100064.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 9.746(3)Å b: 7.664(2)Å c: 4.779(1)Å alpha: 90° beta: 90.29(1)° gamma: 90° Volume: 356.98(7)Å3 Crystal System: monoclinic |
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REFERENCES for Herderite | |
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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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Haidinger W (1828) On herderite, a new mineral species, The Philosophical Magazine, 4, 1-3 [view file] |
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Penfield S L (1894) On the crystallization of herderite, American Journal of Science, 147, 329-339 [view file] |
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Richmond W E (1940) Crystal chemistry of the phosphates, arsenates and vanadates of the type A2XO4(Z), American Mineralogist, 25, 441-478 [view file] |
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Pavlov P V, Belov N V (1959) The structures of herderite, datolite, and gadolinite determined by direct methods, Soviet Physics - Crystallography, 4, 300-314 [view file] |
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Leavens P B, Dunn P J, Gaines R V (1978) Compositional and refractive index variations of the herderite - hydroxyl - herderite series, American Mineralogist, 63, 913-917 |
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Harlow G E, Hawthorne F C (2008) Herderite from Mogok, Myanmar, and comparison with hydroxyl-herderite from Ehrenfriedersdorf, Germany, American Mineralogist, 93, 1545-1549 [view file] |
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Bačík P, Miyawaki R, Atencio D, Cámara F, Fridrichová (2017) Nomenclature of the gadolinite supergroup, European Journal of Mineralogy, 29, 1067-1082 |
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