Polybasite R061052

Name: Polybasite
RRUFF ID: R061052
Ideal Chemistry: [Ag9CuS4][(Ag,Cu)6(Sb,As)2S7]
Locality: Elsa, Yukon Territory, Canada
Source: Royal Ontario Museum M52499 [view label]
Owner: RRUFF
Description: Metallic, iron-black with reddish hints; pseudohexagonal tabular crystals associated with hexagonal prisms of stephanite
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Polybasite (6) ]
RRUFF ID: R061052.2
Sample Description: Microprobe Fragment
Measured Chemistry: Cu1.00Ag15.00Sb2.00S11.00
Microprobe Data File: [ Download Excel File ]
Sample Description: Unoriented sample

  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:
RRUFF ID: R061052
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 1% of 150mW
RRUFF ID: R061052.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 26.203(2)Å    b: 15.133(2)Å    c: 23.895(3)Å
alpha: 90°    beta: 89.996(5)°    gamma: 90°   Volume: 9475(3)Å3    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.

X Min:    X Max:    X Sort:
REFERENCES for Polybasite

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]

Rose H (1829) Ueber die in der Natur vorkommenden nicht oxydirten Verbindungen des Antimons und des Arseniks. 2. Polybasit, eine neue Species, Annalen der Physik und Chemie, 15, 573-591   [view file]

Frondel C (1963) Isodimorphism of the polybasite and pearceite series, American Mineralogist, 48, 565-572   [view file]

Fleischer M (1965) New mineral names, American Mineralogist, 50, 1504-1508   [view file]

Harris D C, Nuffield E W, Frohberg M H (1965) Studies of mineral sulpho-salts: XIX-selenian polybasite, The Canadian Mineralogist, 8, 172-184   [view file]

Hall H T (1967) The pearceite and polybasite series, American Mineralogist, 52, 1311-1321   [view file]

Edenharter A, Koto K, Nowacki W (1971) Über pearceit, polybasit und binnit, Neues Jahrbuch für Mineralogie, Monatshefte, 1971, 337-341

Bailey S W (1977) Report of the I.M.A-I.U.Cr. Joint Committee on Nomenclature, American Mineralogist, 62, 411-415   [view file]

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]

Evain M, Bindi L, Menchetti S (2006) Structural compexity in minerals: twinning, polytypism and disorder in the crystal structure of polybasite, (Ag,Cu)16(Sb,As)2S11, Acta Crystallographica, B62, 447-456

Locock A J, Ercit T S, Kjellman J, Piilonen C (2006) New mineral names, American Mineralogist, 91, 1945-1954   [view file]

Bindi L, Evain M, Spry P G, Menchetti S (2007) The pearceite-polybasite group of minerals: crystal chemistry and new nomenclature rules, American Mineralogist, 92, 918-925   [view file]

Bindi L, Menchetti S (2009) Adding further complexity to the polybasite structure: The role of Ag in the B layer of the -M2a2b2c polytype, American Mineralogist, 94, 151-155   [view file]

Bindi L, Voudouris P, Spry P G (2013) Structural role of tellurium in the minerals of the pearceite-polybasite group, Mineralogical Magazine, 77, 419-428

Gill S B, Piercey S J, Layton-Matthews D (2016) Mineralogy and metal zoning of the Cambrian Zn-Pb-Cu-Ag-Au Lemarchant volcanogenic massive sulfide (VMS) deposit, Newfoundland, The Canadian Mineralogist, 54, 1307-1344