Leucosphenite R060201

Name: Leucosphenite
RRUFF ID: R060201
Ideal Chemistry: Na4BaTi2B2Si10O30
Locality: Poudrette Quarry, Mont Saint-Hilaire, Rouville County, Quebec, Canada
Source: Royal Ontario Museum M41878 [view label]
Owner: RRUFF
Description: Bluish-green prismatic crystal associated with small colorless albite crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
RRUFF ID: R060201.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Ba0.910.09)Σ=1(Na3.84K0.16)Σ=4(Ti1.77Nb5+0.18Zr0.05)Σ=2B2.00Si10.00O30 ; B not measured but estimated by difference and charge balance
Sample Description: Unoriented sample

  To download sample data,
  please select a specific
  orientation angle.

Direction of polarization of laser relative to fiducial mark:
X Min:    X Max:    X Sort:
RRUFF ID: R060201
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
RRUFF ID: R060201.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 9.801(1)Å    b: 16.971(3)Å    c: 7.253(1)Å
alpha: 90°    beta: 93.243(7)°    gamma: 90°   Volume: 1204.6(7)Å3    Crystal System: monoclinic
  File Type Information Close
Calculated diffraction file.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

X Min:    X Max:    X Sort:
REFERENCES for Leucosphenite

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]

Flink G (1901) On the minerals from Narsarsuk on the Firth of Tunugdliarfik in Southern Greenland (complete article), Meddelelser om Grønland, 24, 9-180   [view file]

Flink G (1901) On the minerals from Narsarsuk on the Firth of Tunugdliarfik in Southern Greenland. 28. Leucosphenite, Meddelelser om Grønland, 24, 137-146   [view file]

Milton C, Axelrod J M, Grimaldi F S (1955) New minerals, reedmergnerite (Na2O·B2O3·6SiO2) and eitelite (Na2O·MgO·2CO2) associated with leucosphenite, shortite, searlesite, and crocidolite in the Green River formation, Utah, American Mineralogist, 40, 326-327   [view file]

Shumyatskaya N G, Voronkov A A, Belov N V (1971) X-ray diffraction study of leucosphenite, Soviet Physics - Crystallography, 16, 416-422   [view file]

Chao G Y, Watkinson D H (1972) Leucosphenite from Mont St. Hilaire, Quebec, The Canadian Mineralogist, 11, 851-860   [view file]

Pabst A, Milton C (1972) Leucosphenite, and its occurrence in the Green River Formation of Utah and Wyoming, American Mineralogist, 57, 1801-1822   [view file]

Malinovskii Y A, Yamnova N A, Belov N V (1981) The refined crystal structure of the leucosphenite, Doklady Akademii Nauk SSSR, 257, 1128-1132   [view file]

Shannon R D, Shannon R C, Medenbach O, Fischer R X (2002) Refractive index and dispersion of fluorides and oxides, Journal of Physical and Chemical Reference Data, 31, 931-970   [view file]