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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: Acanthite RRUFF ID: R080016 Ideal Chemistry: Ag2S Locality: Imiter mine, Djebel Sarhro, near Quarzazate, Anti Atlas Mountains, Morocco Source: William W. Pinch [view label] Owner: RRUFF Description: Group of black poorly formed crystals Status: The identification of this mineral has been confirmed only by X-ray diffraction |
| Mineral Group: [ Acanthite (2) ] | ||
| Quick search: [ All Acanthite samples (2) ] | ||
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| BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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| POWDER DIFFRACTION | ||||||||
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| RRUFF ID: | R080016.1 | |||||||
| Sample Description: | Powder | |||||||
| Cell Refinement Output: |
a: 4.2244(9)Å b: 6.9297(7)Å c: 7.8653(6)Å alpha: 90° beta: 99.65(1)° gamma: 90° Volume: 226.99(4)Å3 Crystal System: monoclinic |
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| REFERENCES for Acanthite | |
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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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Kenngott A (1855) Ueber den Akanthit, eine neue Species in dem Geschlechte der Silber-Glanze, Annalen der Physik und Chemie, 95, 462-464 [view file] |
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Dana J D, Brush G J (1868) Acanthite, in A System of Mineralogy, Fifth Edition John Wiley and Sons New York 51-52 [view file] |
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Frueh A J (1957) The crystal structure, polymorphism and twinning of acanthite (Ag2S), Acta Crystallographica, 10, 764-764 |
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Frueh A J (1958) The crystallography of silver sulfide, Ag2S, Zeitschrift für Kristallographie, 110, 136-144 [view file] |
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Sadanaga R, Sueno S (1967) X-ray study on the α-β transition of Ag2S, Mineralogical Journal, 5, 124-148 [view file] |
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Petruk W, Owens D R, Stewart J M, Murray E J (1974) Observations on acanthite, aguilarite and naumannite, The Canadian Mineralogist, 12, 365-369 [view file] |
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Cava R J, Reidinger F, Wuensch B J (1980) Single-crystal neutron diffraction study of the fast-ion conductor β-Ag2S between 186 and 325°C, Journal of Solid State Chemistry, 31, 69-80 |
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Pingitore N E, Ponce B F, Eastman M P, Moreno F, Podpora C (1992) Solid solutions in the system Ag2S-Ag2Se, Journal of Material Research, 7, 2219-2224 |
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Pingitore N E, Ponce B F, Estrada L, Eastman M P, Yuan H L, Porter L C, Estrada G (1993) Calorimetric analysis of the system Ag2S-Ag2Se between 25 and 250 °C, Journal of Material Research, 8, 3126-3130 |
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Ondruš P, Veselovský F, Gabašová A, Hloušek J, Šrein V, Vavrín I, Skála R, Sejkora J, Drábek M (2003) Primary minerals of the Jáchymov ore district, Journal of the Czech Geological Society, 48, 19-147 [view file] |
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Santamaría-Pérez D, Marqués M, Chuliá-Jordán R, Menendez J M, Gomis O, Ruiz-Fuertes J, Sans J A, Errandonea D, Recio J M (2012) Compression of silver sulfide: X-ray diffraction measurements and total-energy calculations, Inorganic Chemistry, 51, 5289-5298 |
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Bindi L, Pingitore N E (2013) On the symmetry and crystal structure of aguilarite, Ag4SeS, Mineralogical Magazine, 77, 21-31 [view file] |
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