Alacránite R061028
Name: Alacránite
RRUFF ID: R061028
Ideal Chemistry: As8S9
Locality: Radvanice, Bohemia
Source: Michael Scott S101415 [view label]
Owner: Michael Scott
Description: Red flattened prismatic crystals
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
DOWNLOADS:

  To download sample data,
  please select a specific
  orientation angle.
Direction of polarization of laser relative to fiducial mark:
X Min:    X Max:    X Sort:
BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R061028
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 785nm @ 20% of 500mW
DOWNLOADS:

Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R061028.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 9.89(2)Å    b: 9.33(2)Å    c: 8.90(1)Å
alpha: 90°    beta: 102.28(7)°    gamma: 90°   Volume: 803(1)    Crystal System: monoclinic
  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.

DOWNLOADS:

DIF File
X-ray Data (XY - RAW) View Graph
RRUFF File
X Min:    X Max:    X Sort:
REFERENCES for Alacránite

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]

Porter E J, Sheldrick G M (1972) Crystal structure of a new crystalline modification of tetra-arsenic tetrasuphide (2,3,4,8-tetrathia1,2,3,7-tetra-arsatricyclo[3,3,0,03,7]-octane), Journal of the Chemical Society, Dalton Transactions, Inorganic Chemistry, 1972, 1347-1349

Popova V I, Popov V A, Clark A, Polyakov V O, Borisovskii S E (1986) Alacranite, As8S9–a new mineral, Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 115, issue 3 360-368   [view file]

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]

Burns P C, Percival J B (2001) Alacranite, As4S4: a new occurence, new formula, and determination of the crystal structure, The Canadian Mineralogist, 39, 809-818   [view file]

Jambor J L, Roberts A C (2002) New mineral names, American Mineralogist, 87, 355-358   [view file]

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]

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]

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