Borcarite R060591

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Record 525 of 4034  


Name: Borcarite
RRUFF ID: R060591
Ideal Chemistry: Ca4MgB4O6(CO3)2(OH)6
Locality: Fuka mine, Bitchu-cho, Takahashi, Kawakami-gun, Okayama Prefecture, Chugoku Region, Japan
Source: Michael Scott S100788 [view label]
Owner: RRUFF
Description: Mass of green indistinct crystals
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Quick search: [ All Borcarite samples (2) ]
CHEMISTRY 
RRUFF ID: R060591.2
Sample Description: Microprobe Fragment
Measured Chemistry: Ca4.00(Mg0.96Fe0.04)Σ=1B4O6(CO3)2(OH)6 ; trace amounts of Mg; B, C, H not measured but assumed by stoichiometry.
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R060591
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R060591.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 17.85(2)Å    b: 8.369(8)Å    c: 4.441(4)Å
alpha: 90°    beta: 102.04(2)°    gamma: 90°   Volume: 649(1)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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REFERENCES for Borcarite

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]

Fleischer M (1965) New mineral names, American Mineralogist, 50, 2096-2111   [view file]

Pertzev N N, Ostravskaya I V, Nikitina I B (1965) The new mineral borcarite, Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 94, 180-186   [view file]

International Mineralogical Association (1968) International Mineralogical Association: Commission on new minerals and mineral names, Mineralogical Magazine, 36, 1143-1145   [view file]

Yamnova N A, Simonov M A, Kazanskaya E V, Belov N V (1975) Refinement of the crystal structure of the Ca, Mg-carbonatoborate borcarite Ca4Mg/B4O6(OH)6/(CO3)2, Soviet Physics - Doklady, 20, 799-801   [view file]

Burns P C, Hawthorne F C (1995) Hydrogen bonding in borcarite, an unusual borate-carbonate mineral, Mineralogical Magazine, 59, 297-304   [view file]