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The RRUFF Project is being updated to improve its interface and content. The beta version of the update is accessible to the public at RRUFF.net. New data is only being added to the beta site. Please note that it is in development, and some components are not functional. Existing RRUFF.info links will resolve to the new site after RRUFF.net is officially released.
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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. |
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Mineral Group: [ Hexahydrite (4) ] |
CHEMISTRY | ||||||
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RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | ||||||
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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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REFERENCES for Hexahydrite | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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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] |
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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] |
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Spencer L J (1913) A (sixth) list of new mineral names, Mineralogical Magazine, 16, 352-378 [view file] |
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Robbson H L (1927) The system MgSO4·H2O from 68 to 240°, Journal of the American Chemical Society, 49, 2772-2783 [view file] |
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Berdesinski W (1952) Sanderit, Leonhardtit, Allenit und Hexahydrit, neue Mineralien der marinen Kalisalzlagerstätten, Neues Jahrbuch für Mineralogie, Monatshefte, 1952, 28-29 |
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Zalkin A, Ruben H, Templeton D H (1964) The crystal structure and hydrogen bonding of magnesium sulfate hexahydrate, Acta Crystallographica, 17, 235-240 |
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Hodenberg R F, Kühn R (1967) Zur Kenntnis der Magnesiumsulfathydrate und der Effloreszenzen des Kieserits von Hartsalzen, Kali und Steinsalz, 4, 326-340 |
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Batsanov A S (2000) Magnesium sulfate hexahydrate at 120 K, Acta Crystallographica, C56, e230-e231 |
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Chipera S J, Vaniman D T, Bish D L, Carey J W, Feldman W C (2005) Experimental stability and transformation kinetics of magnesium sulfate hydrates that may be present on Mars, Lunar and Planetary Science, 36, 1497 [view file] |
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Vaniman D T, Chipera S J, Bish D L, Carey J w, Feldman W C (2005) Martian relevance of dehydration and rehydration in the Mg-sulfate system, Lunar and Planetary Science, 36, 1486 [view file] |
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Chipera S J, Vaniman D T, Carey J W (2006) Dehydration and metastable states of Mg-sulfate hydrates that may be present on Mars, Lunar and Planetary Science, 37, 1457 [view file] |
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Vaniman D T, Chipera S J, Carey J W (2006) Hydration experiments and physical observations at 193 K and 243 K for Mg-sulfates relevant to Mars, Lunar and Planetary Science, 37, 1442 [view file] |
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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 |
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