Important Update News

The RRUFF Project has been migrated to RRUFF.net. Please update your bookmarks immediately, if you have not done so.

The data on this website is already three years out of date, and the entire website will be taken offline before the end of the year.

We are grateful to NASA for the funding of this effort.

Pearceite R090041

Browse Search Results 
<< Previous |  Back to Search Results |  Next >> 
Record 2914 of 4216  


Name: Pearceite
RRUFF ID: R090041
Ideal Chemistry: [Ag9CuS4][(Ag,Cu)6(As,Sb)2S7]
Locality: Uchucchacua mine, Oyon Province, Lima Department, Peru
Source: Tony Jones
Owner: RRUFF
Description: Aggregates of black hexagonal plates, X-ray diffraction indicates that it is type T2ac.
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Polybasite (6) ]
Quick search: [ All Pearceite samples (4) ]
CHEMISTRY 
RRUFF ID: R090041.2
Sample Description: Microprobe Fragment
Measured Chemistry: Cu1.00(Ag4.99Cu1.01)Σ=6.00Ag10.62As2.02S11
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Sample. Unable to collect valid spectra under laser 532 nm because sample burns at every power level. Under laser 780 nm, at 10% power, defocused, sample still slightly burns, though at 1%, spectra do not show Raman peaks.
DOWNLOADS:

Raman Data (Processed)
RRUFF File
Raman Data (RAW) View Graph
RRUFF File
X Min:    X Max:    X Sort:
BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R090041
Wavelength:
Sample Description: Unoriented Sample. Unable to collect valid spectra under laser 532 nm because sample burns at every power level. Under laser 780 nm, at 10% power, defocused, sample still slightly burns, though at 1%, spectra do not show Raman peaks.
Instrument settings: Thermo Almega XR 780nm @ 10% of 600mW
DOWNLOADS:

Raman Data (Processed)
RRUFF File
Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R090041.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 14.883(6)Å    b: 14.883(6)Å    c: 11.985(7)Å
alpha: 90°    beta: 90°    gamma: 120°   Volume: 2299.1(8)Å3    Crystal System: hexagonal
  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 Pearceite

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 corkommenden nicht oxydirten verbindungen des antimons und des arseniks, Annalen der Physik und Chemie, 1829, 573-592   [view file]

Penfield S L (1896) On pearceite, a sulpharsenite of silver and on the crystallization of polybasite, American Journal of Science, 152, 17-29   [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]

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]

Bindi L, Evain M, Menchetti S (2006) Temperature dependence of the silver distribution in the crystal structure of natural pearceite, (Ag,Cu)16(As,Sb)2S11, Acta Crystallographica, B62, 212-219

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

Markl G, Keim M F, Bayerl R (2019) Unusual mineral diversity in hydrothermal vein-type deposit: The Clara mine, SW Germany, as a type example, The Canadian Mineralogist, 57, 427-456