Sinhalite R070621
Name: Sinhalite
RRUFF ID: R070621
Ideal Chemistry: MgAlBO4
Locality: Sri Lanka
Source: Shinichi Kihara [view label]
Owner: RRUFF
Description: Pale yellow transparent faceted gemstone
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
CHEMISTRY 
RRUFF ID: R070621.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Mg0.98Fe0.02)Σ=1Al1.00B1.00O4 ; B2O3 estimated by difference
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: R070621
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 780nm @ 100% of 600mW
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Raman Data (Processed)
RRUFF File
Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R070621.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 4.328(3)Å    b: 9.843(9)Å    c: 5.686(5)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 242.24(7)    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 Sinhalite

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]

Claringbull G F, Hey M H (1952) Sinhalite (MgAlBO4), a new mineral, Mineralogical Magazine, 29, 841-850   [view file]

Fleischer M (1952) New mineral names, American Mineralogist, 37, 1070-1073   [view file]

Fang J H, Newnham R E (1965) The crystal structure of sinhalite, Mineralogical Magazine, 35, 196-199   [view file]

Hayward C L, Angel R J, Ross N L (1994) The structural redetermination and crystal chemistry of sinhalite, MgAlBO4, European Journal of Mineralogy, 6, 313-321