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Gratonite R050365

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Record 1703 of 4216  

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
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Direction of polarization of laser relative to fiducial mark:
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050365
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 65% of 150mW
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Raman Data (Processed)
RRUFF File
Raman Data (RAW) View Graph
RRUFF File
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050365.1
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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Infrared Data (Processed)
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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.

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Cell Refinement Data
Cell Refinement Output Data
DIF File
X-ray Data (XY - Processed)
RRUFF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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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]