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Name: Alacránite RRUFF ID: R150030 Ideal Chemistry: As8S9 Locality: Solfatara di Pozzuoli, Napoli, Italy Source: Renato and Adriana Pagano [view label] Owner: RRUFF Description: Yellow fine-grained aggregate, associated with red realgar, 2-fold twin around [-1 -1 1]. Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
| Mineral Group: [ Not in a structural group (133) ] | ||
| Quick search: [ All Alacránite samples (2) ] | ||
| RAMAN SPECTRUM | ||||||||||||
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| BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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| POWDER DIFFRACTION | |||||||
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| RRUFF ID: | R150030.9 | ||||||
| Sample Description: | Single crystal, powder profile is calculated | ||||||
| Cell Refinement Output: |
a: 9.954(4)Å b: 9.545(3)Å c: 9.128(3)Å alpha: 90° beta: 102.23(1)° gamma: 90° Volume: 847.6(6)Å3 Crystal System: monoclinic |
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| REFERENCES for Alacránite | |
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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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Popova V I, Popov V A, Clark A, Polyakov V O, Borisovskii S E (1986) Alacránite, As8S9–a new mineral, Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 115, issue 3 360-368 [view file] |
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Popova V I, Popov V A, Clark A, Polyakov V O, Borisovski S E (1986) Alacránite As8S9; a new mineral, Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 115, issue 3 360-368 |
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Hawthorne F C, Burke E A J, Ercit T S, Grew E S, Grice J D, Jambor J L, Puziewicz J, Roberts A C, Vanko D A (1988) New mineral names, American Mineralogist, 73, 189-199 [view file] |
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Burns P C, Percival J B (2001) Alacranite, As4S4: a new occurrence, new formula, and determination of the crystal structure, The Canadian Mineralogist, 39, 809-818 [view file] |
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Jambor J L, Roberts A C (2002) New mineral names, American Mineralogist, 87, 355-358 [view file] |
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Bonazzi P, Bindi L, Olmi F, Menchetti S (2003) How many alacranites do exist? A structural study of non-stoichiometric As8S9-x crystals, European Journal of Mineralogy, 15, 283-288 |
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Bonazzi P, Bindi L, Popova V, Pratesi G, Menchetti S (2003) Alacranite, As8S9: structural study of the holotype and re-assignment of the original chemical formula, American Mineralogist, 88, 1796-1800 [view file] |
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Bonazzi P, Bindi L, Pratesi G, Menchetti S (2006) Light-induced changes in molecular arsenic sulfides: State of the art and new evidence by single-crystal X-ray diffraction, American Mineralogist, 91, 1323-1330 [view file] |
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Bonazzi P, Bindi L (2008) A crystallographic review of arsenic sulfides: Effects of chemical variations and changes induced by exposure to light, Zeitschrift für Kristallographie, 223, 132-147 |
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Ballirano P (2012) Thermal behavior of realgar As4S4, and of arsenolite As2O3 and non-stoichiometric As8S8+x crystals produced from As4S4 melt recrystallization, American Mineralogist, 97, 1320-1329 [view file] |
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Pratesi G, Zoppi M (2015) An insight into the inverse transformation of realgar altered by light, American Mineralogist, 100, 1222-1229 |
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