Libyan Desert glass R060357

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Record 2298 of 4216  

Name: Libyan Desert glass
RRUFF ID: R060357
Ideal Chemistry: SiO2
Locality: Libyan Desert, Sahara Desert, Egypt
Source: Herb Obodda 017 [view label]
Owner: RRUFF
Description: Pale tan amorphous fragment
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
CHEMISTRY 
RRUFF ID: R060357.2
Sample Description: Microprobe fragment
Measured Chemistry: Si1.00O2
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R060357
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R060357.1
Sample Description: Powder, amorphous
  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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REFERENCES for Libyan Desert glass

Clayton P A, Spencer L J (1934) Silica-glass from the Libyan Desert, Mineralogical Magazine, 23, 501-508   [view file]

Faulques E, Fritsch E, Ostroumov M (2001) Spectroscopy of natural silica-rich glasses, Journal of Mineralogical and Petrological Sciences, 96, 120-128   [view file]

Kovaleva E, Helmy H, Belkacim S, Schreiber A, Wilke F D H, Wirth R (2023) Libyan Desert Glass: New evidence for an extremely high-pressure-temperature impact event from nanostructural study, American Mineralogist, 108, 1906-1923