Aphthitalite R050651



Name: Aphthitalite
RRUFF ID: R050651
Ideal Chemistry: K3Na(SO4)2
Locality: Searles Lake, Trona, San Bernardino County, California, USA
Source: University of Arizona Mineral Museum 13723 [view label]
Owner: RRUFF
Description: Colorless hexagonal crystals displaying P-3m1 space group symmetry, associated with halite.
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Aphthitalite (2) ]
CHEMISTRY 
RRUFF ID: R050651.2
Sample Description: Microprobe Fragment
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050651
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050651.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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POWDER DIFFRACTION 
RRUFF ID: R050651.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 5.680(2)Å    b: 5.680(2)Å    c: 7.320(3)Å
alpha: 90°    beta: 90°    gamma: 120°   Volume: 204.53(6)Å3    Crystal System: hexagonal
  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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REFERENCES for Aphthitalite

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]

Smithson J (1813) On a saline substance from Mount Vesuvius, Philosophical Transactions of the Royal Society of London, 103, 256-262   [view file]

Beudant F S (1832) Aphthalose, tartre vitriolé, in Traité Élémentaire de Minéralogie, 2nd Edition Paris 477-478   [view file]

Shepard C U (1835) Aphthitalite, Treatise on Mineralogy, Second Part, Vol 1, Hezekiah Howe and Co. and Herrick and Noyes New Haven, Connecticut, USA 36-36   [view file]

Frondel C (1950) Notes on arcanite, ammonian aphthitalite and oxammite, American Mineralogist, 35, 596-598   [view file]

Dickens B, Brown W E, Kruger G J, Stewart J M (1973) Ca4(PO4)2O, tetracalcium diphosphate monooxide. Crystal structure and relationships to Ca5(PO4)3OH and K3Na(SO4)2, Acta Crystallographica, B29, 2046-2056

Okada K, Ossaka J (1980) Structures of potassium sodium sulphate and tripotassium sodium disulphate, Acta Crystallographica, B36, 919-921

Takagi S, Mathew M (2001) Structures of biological minerals in dental research, Journal of Research of the National Bureau of Standards, 106, 1035-1044   [view file]