Hexahydrite R060051

Name: Hexahydrite
RRUFF ID: R060051
Ideal Chemistry: Mg(SO4)·6H2O
Locality: Weathered surface of a LL5 chondritic meteorite from Antarctica
Source: Kevin Righter
Owner: Kevin Righter
Description: Green single crystals that grew when the sample was thawed in its collection bag.
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ Hexahydrite (3) ]
RRUFF ID: R060051.2
Sample Description: Microprobe Fragment
Sample Description: Unoriented a primary sample

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RRUFF ID: R060051
Sample Description: Unoriented a primary sample
Instrument settings: Thermo Almega XR 532nm @ 1% of 150mW
RRUFF ID: R060051.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 10.04(1)Å    b: 7.213(4)Å    c: 24.35(2)Å
alpha: 90°    beta: 98.44(3)°    gamma: 90°   Volume: 1744(2)Å3    Crystal System: monoclinic
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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Hexahydrite

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]

Johnston R A A (1911) Hexahydrite, a new mineral, Summary Report of the Geological Survey Branch of the Department of Mines For the Calendar Year 1910, 26, 256-257   [view file]

Spencer L J (1913) A (sixth) list of new mineral names, Mineralogical Magazine, 16, 352-378   [view file]

Robbson H L (1927) The system MgSO4·H2O from 68 to 240°, Journal of the American Chemical Society, 49, 2772-2783   [view file]

Berdesinski W (1952) Sanderit, Leonhardtit, Allenit und Hexahydrit, neue Mineralien der marinen Kalisalzlagerstätten, Neues Jahrbuch für Mineralogie, Monatshefte, 1952, 28-29

Zalkin A, Ruben H, Templeton D H (1964) The crystal structure and hydrogen bonding of magnesium sulfate hexahydrate, Acta Crystallographica, 17, 235-240

Batsanov A S (2000) Magnesium sulfate hexahydrate at 120 K, Acta Crystallographica, C56, e230-e231

Lopez-Reyes G, Sobron P, Lefebvre C, Rull F (2014) Multivariate analysis of Raman spectra for the identification of sulfates: Implications for ExoMars, American Mineralogist, 99, 1570-1579