Rhomboclase R070507

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Record 114 of 133  

Name: Rhomboclase
RRUFF ID: R070507
Ideal Chemistry: (H5O2)Fe3+(SO4)2·2H2O
Locality: Alcaparrosa, Antofogasta, Chile
Source: James Shigley [view label]
Owner: RRUFF
Description: Colorless tabular crystals, associated with pale yellow-brown römerite, white jokokuite (identifed only by Raman), and colorless prismatic or acicular ferrinatrite (R170042)
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Not in a structural group (133) ]
Sample Description: Unoriented sample

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RRUFF ID: R070507
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
RRUFF ID: R070507.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 9.7309(29)Å    b: 18.2994(85)Å    c: 5.4292(28)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 966.77(73)Å3    Crystal System: orthorhombic

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REFERENCES for Rhomboclase

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]

Krenner J S (1891) Két új magyar ásvány, Akadémiai Értesítö, 2, 96-96   [view file]

Krenner J (1928) Zwei neue Mineralien aus Ungarn, Zentralblatt für Mineralogie, Geologie und Paläontologie, 1928, 265-271   [view file]

Foshag W F (1929) New mineral names, American Mineralogist, 14, 77-79   [view file]

Mereiter K (1974) Die kristallstruktur von rhomboklas (H5O2)+{Fe[SO4]2·2H2O}-, Tschermaks Mineralogische und Petrographische Mitteilungen, 21, 216-232

Jambor J L, Puziewicz J, Roberts A C (1995) New mineral names, American Mineralogist, 80, 404-409   [view file]

Majzlan J, Navrotsky A, McCleskey R B, Alpers C N (2006) Thermodynamic properties and crystal structure refinement of ferricopiapite, coquimbite, rhomboclase, and Fe2(SO4)3(H2O)5, European Journal of Mineralogy, 18, 175-186

Peterson R C, Valyashko E, Wang R (2009) The atomic structure of (H3O)Fe3+(SO4)2 and rhomboclase, (H5O2)Fe3+(SO4)2·2H2O, The Canadian Mineralogist, 47, 625-634   [view file]

Xu W, Parise J B, Hanson J (2010) (H3O)Fe(SO4)2 formed by dehydrating rhomboclase and its potential existence on Mars, American Mineralogist, 95, 1408-1412   [view file]

Pitman K M, Noe Dobrea E Z, Jamieson C S, Dalton J B, Abbey W J, Joseph E C S (2014) Reflectance spectroscopy and optical functions for hydrated Fe-sulfates, American Mineralogist, 99, 1593-1603

Liu Y, Wang A (2015) Dehydration of Na-jarosite, ferricopiapite, and rhomboclase at temperatures of 50 and 95°C: implications for Martian ferric sulfates, Journal of Raman Spectroscopy, 46, 493-500

Majzlan J, Grevel K, Kiefer B, Nielsen U G, Grube E, Dachs E, Benisek A, White M A, Johnson M B (2017) Thermodynamics and crystal chemistry of rhomboclase, (H5O2)Fe(SO4)2·2H2O, and the phase (H3O)Fe(SO4)2 and implications for acid mine drainage, American Mineralogist, 102, 643-654