Boracite R070317

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Record 2 of 4  

Name: Boracite
RRUFF ID: R070317
Ideal Chemistry: Mg3B7O13Cl
Locality: Douglashall, Westereglen, Stassfurt District, Saxony-Anhalt, Germany
Source: James Shigley [view label]
Owner: RRUFF
Description: Colorless single crystal tetrahedron with minor cube modifications
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Quick search: [ All Boracite samples (2) ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R070317
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 785nm @ 100% of 500mW
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Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R070317.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 8.526(2)Å    b: 8.539(2)Å    c: 12.064(3)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 878.3(1)    Crystal System: orthorhombic
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REFERENCES for Boracite

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]

Hoffmann C A S (1789) Mineralsystem des Herrn Inspektor Werners mit dessen erlaubnis herausgegeben von C A S Hoffmann, Bergmannisches Journal, 1, 369-398   [view file]

Werner A G (1789) 36) Boracit, Bergmannisches Journal, 1, 393-394   [view file]

Mehmel M (1932) Kristallstrukturelle Untersuchungen am Borazit, Fortschritte der Mineralogie, 17, 436-438

Dowty E, Clark J R (1973) Crystal-structure refinements for orthorhombic boracite, Mg3B7O13Cl, and a trigonal, iron-rich analogue, Zeitschrift für Kristallographie, 138, 64-99   [view file]

Burns P C, Carpenter M A (1996) Phase transitions in the series boracite – trembathite – congolite: phase relations, The Canadian Mineralogist, 34, 881-892   [view file]

Burns P C, Carpenter M A (1997) Phase transitions in the series boracite – trembathite – congolite: an infrared spectroscopic study, The Canadian Mineralogist, 35, 189-202   [view file]

Grice J D, Gault R A, Van Velthuizen J (2005) Borate minerals of the Penobsquis and Millstream deposits, southern New Brunswick, Canada, The Canadian Mineralogist, 43, 1469-1487   [view file]

Iliev M N, Hadjiev V G, Mendoza M E, Pascual J (2007) Raman spectroscopy of multiferroic trigonal boracite Co3B7O13Cl, Physical Review B, 76, 214112, 1-5