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|   |   | Name: Gudmundite RRUFF ID: R060741 Ideal Chemistry: FeSbS Locality: Pezinok, Czechoslovakia Source: Michael Scott S101199 [view label] Owner: RRUFF Description: Silver metallic blebs with a blue surface tarnish associated with quartz, stibnite and kermesite, R060742 Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. | 
| Mineral Group: [ Arsenopyrite (6) ] | ||
| 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: | R060741.9 | ||||||
| Sample Description: | Single crystal, powder profile is calculated | ||||||
| Cell Refinement Output: | a: 6.0487(7)Å    b: 5.9343(7)Å    c: 6.0511(7)Å alpha: 90° beta: 112.179(8)° gamma: 90° Volume: 201.13(1)Å3 Crystal System: monoclinic | ||||||
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| REFERENCES for Gudmundite | |
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| 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] | |
| Foshag W F (1928) New mineral names, American Mineralogist, 13, 592-593 [view file] | |
| Johansson K (1928) Mineralogische Mitteilungen, Zeitschrift für Kristallographie, 68, 87-118 [view file] | |
| Buerger M J (1939) The crystal structure of gudmundite, American Mineralogist, 24, 183-184 | |
| Holseth H, Kjekshus A (1968) Compounds with the marcasite type crystal structure. I. Compositions of the binary pnictides, Acta Chemica Scandinavica, 22, 3273-3283 | |
| Nickel E H (1969) The application of ligand-field concepts to an understanding of the structural stabilities and solid-solution limits of sulphides and related minerals, Chemical Geology, 5, 233-241 | |
| Tatsuka K, Morimoto N (1977) Tetrahedrite stability relations in the Cu-Fe-Sb-S system, American Mineralogist, 62, 1101-1109 [view file] | |
| Kharbish S, Andráš P (2014) Investigations of the Fe sulfosalts berthierite, garavellite, arsenopyrite, and gudmundite by Raman spectroscopy, Mineralogical Magazine, 78, issue 5 1287-1299 | |
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