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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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