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Pentahydrite R070069

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Record 7 of 8  

Name: Pentahydrite
RRUFF ID: R070069
Ideal Chemistry: Mg(SO4)·5H2O
Locality: Vulcano Island, Eolie Islands, Messina Province, Sicily, Italy
Source: James Shigley [view label]
Owner: RRUFF
Description: Unconsolidated coarse crystalline grains associated with anhydrite
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Chalcanthite (8) ]
Quick search: [ All Pentahydrite samples (3) ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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Direction of polarization of laser relative to fiducial mark:
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R070069
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R070069.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 6.325(5)Å    b: 10.521(9)Å    c: 6.052(6)Å
alpha: 80.96(3)°    beta: 109.95(3)°    gamma: 105.09(3)°   Volume: 364.5(4)Å3    Crystal System: triclinic
  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 Pentahydrite

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]

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

Fleischer M (1951) New mineral names, American Mineralogist, 36, 638-642   [view file]

Palache C, Berman H, Frondel C (1951) 29.6.5.3 Pentahydrite [MgSO4·5H2O], in The System of Mineralogy, Volume II, Seventh Edition John Wiley and Sons, Inc New York 492-493   [view file]

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

Fleischer M (1952) New mineral names, American Mineralogist, 37, 359-362   [view file]

Baur W H, Rolin J L (1972) Salt hydrates. IX. The comparison of the crystal structure of magnesium sulfate pentahydrate with copper sulfate pentahydrate and magnesium chromate pentahydrate, Acta Crystallographica, B28, 1448-1455

Peterson R C, Hammarstrom J M, Seal R R (2006) Alpersite (Mg,Cu)SO4·7H2O, a new mineral of the melanterite group, and cuprian pentahydrite: Their occurrence within mine waste, American Mineralogist, 91, 261-269   [view file]

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