Takéuchiite R100047
Name: Takéuchiite
RRUFF ID: R100047
Ideal Chemistry: Mg2Mn3+O2(BO3)
Locality: Langban, Filipstad, Varmland, Sweden
Source: William W Pinch (Large sample), Don Doell (Small sample) [view label]
Owner: RRUFF
Description: Black thin blades embedded in calcite
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R100047
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: R100047.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 27.553(3)Å    b: 12.531(1)Å    c: 6.0071(7)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 2074.0(4)Å3    Crystal System: orthorhombic
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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 Takéuchiite

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]

Bovin J O, O’Keeffe M (1980) Takéuchiite, a new oxyborate mineral from Långban, Sweden, American Mineralogist, 65, 1130-1133   [view file]

Bovin J O, O'Keefe M, O'Keefe M A (1981) Electron microscopy of oxyborates. I. Defect structures in the minerals pinakiolite, ludwigite, orthopinakiolite, and takéuchiite, Acta Crystallographica, A37, 28-35

Norrestam R, Bovin J O (1987) The crystal structure of takéuchiite, Mg1.71Mn1.29BO5: A combined single crystal X-ray and HRTEM study, Zeitschrift für Kristallographie, 181, 135-149   [view file]

Cooper M A, Hawthorne F C (1998) The crystal structure of blatterite, Sb5+3(Mn3+,Fe3+)9(Mn2+,Mg)35(BO3)16O32, and structural hierarchy in Mn3+-bearing zigzag borates, The Canadian Mineralogist, 36, 1171-1193   [view file]

Frost R L (2011) Raman spectroscopy of selected borate minerals of the pinakiolité group, Journal of Raman Spectroscopy, 42, 540-543