Tychite R060700
Name: Tychite
RRUFF ID: R060700
Ideal Chemistry: Na6Mg2(CO3)4(SO4)
Locality: Borax Lake, Lake County, California
Source: Michael Scott S100041 [view label]
Owner: RRUFF
Description: Colorless octahedra
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Northupite (3) ]
Quick search: [ All Tychite samples (2) ]
CHEMISTRY 
RRUFF ID: R060700.2
Sample Description: Microprobe Fragment
Measured Chemistry: Na6.00(Mg1.99Ca0.01)Σ=2.00(CO3)4(S1.00O4) ; C not measured but estimated by difference and stoichiometry
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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RRUFF ID: R060700
Wavelength:
Sample Description: Unoriented 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: R060700.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 13.9038(2)Å    b: 13.9038(2)Å    c: 13.9038(2)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 2687.82(7)Å3    Crystal System: cubic
  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.

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DIF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Tychite

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]

Penfield S L, Jamieson G S (1905) On tychite, a new mineral from Borax Lake, California, and on its artificial production and its relations to northupite, American Journal of Science, 20, 217-224   [view file]

Penfield S L, Jamieson C S (1906) Über Tychit, ein neues Mineral vom Boraxsee in Californien, seine künstliche Darstellung und seine Beziehungen zum Northupit, Zeitschrift für Krystallographie und Mineralogie, 41, 235-242   [view file]

Shiba H, Watanabe T (1931) Les structures des cristaux de northupite, de northupite bromée et de tychite, Comptes Rendus Hebdomadaires des Séances de l'Académie des Sciences, 193, 1421-1423   [view file]

Watanabé T (1933) Les structures cristallines de la northupite 2MgCO32Na2CO32NaCl et de la tychite 2MgCO32Na2CO3Na2SO4, Scientific Papers of the Institute of Physical and Chemical Research, 21, 40-62   [view file]

Schmidt G R, Reynard J, Yang H, Downs R T (2006) Tychite, Na6Mg2(SO4)(CO3)4: Structure analysis and Raman spectroscopic data, Acta Crystallographica, E62, 207-209   [view file]

Piilonen P C, Locock A J, Rowe R, Ercit T S (2007) New mineral names, American Mineralogist, 92, 703-707   [view file]

Palaich S E M, Manning C E, Schauble E, Kavner A (2013) Spectroscopic and X-ray diffraction investigation of the behavior of hanksite and tychite at high pressures, and a model for the compressibility of sulfate minerals, American Mineralogist, 98, 1543-1549