Herderite R100064


 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.
Mineral Group: [ Gadolinite (18) ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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RRUFF ID: R100064
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
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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Calculated diffraction file.

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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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DIF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Herderite

American Mineralogist Crystal Structure Database Record: [view record]

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]

Haidinger W (1828) On herderite, a new mineral species, The Philosophical Magazine, 4, 1-3   [view file]

Penfield S L (1894) On the crystallization of herderite, American Journal of Science, 147, 329-339   [view file]

Richmond W E (1940) Crystal chemistry of the phosphates, arsenates and vanadates of the type A2XO4(Z), American Mineralogist, 25, 441-478   [view file]

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]

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

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]

Bačík P, Miyawaki R, Atencio D, Cámara F, Fridrichová (2017) Nomenclature of the gadolinite supergroup, European Journal of Mineralogy, 29, 1067-1082