Gratonite R050365

Browse Search Results 
<< Previous |  Back to Search Results |  Next >> 
Record 1655 of 4084  

Name: Gratonite
RRUFF ID: R050365
Ideal Chemistry: Pb9As4S15
Locality: Cerro de Pasco, Peru
Source: University of Arizona Mineral Museum 10998 [view label]
Owner: RRUFF
Description: Dark lead gray aggregate, including single crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Quick search: [ All Gratonite samples (2) ]
CHEMISTRY 
RRUFF ID: R050365.2
Sample Description: Microprobe Fragment
Measured Chemistry: Pb9.00As4.00S15.00
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: R050365
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 65% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050365.1
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
X Min:    X Max:    X Sort:
POWDER DIFFRACTION 
RRUFF ID: R050365.1
Sample Description: Powder
Cell Refinement Output: a: 17.721(2)Å    b: 17.721(2)Å    c: 7.797(1)Å
alpha: 90.°    beta: 90.°    gamma: 120.°   Volume: 2120.9(5)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.

  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 Gratonite

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]

Gamble D (1938) New mineral discovered: Rochester and Harvard fail to link it with any known species, New York Times, Dec 28, 1938, 17-17

Palache C, Fisher D J (1939) Gratonite - preliminary description of a new mineral from Cerro de Pasco, Peru, American Mineralogist, 24, 136-136   [view file]

Palache C, Fisher D J (1940) Gratonite - A new mineral from Cerro de Pasco, Peru, American Mineralogist, 25, 255-265   [view file]

Rust G W (1940) Geologic occurrence of gratonite at Cerro de Pasco, Peru, American Mineralogist, 25, 266-270   [view file]

Rösch H (1963) Zur kristallstruktur des gratonits - 9PbS·2As2S3, Neues Jahrbuch für Mineralogie, Abhandlungen, 99, 307-337

Ribár B, Nowacki W (1969) Neubestimmung der kristallstruktur von gratonit, Pb9As4S15, Zeitschrift für Kristallographie, 128, 321-338   [view file]