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Card Information
Names:        Gold
        Gold, syn
Formula:        Au
PDF Number:        4-784
Quality:        star
Subfiles:        inorganic mineral alloy CP  EDU FOR NBS

Cell and Symmetry Information
System:        cubic        Space Group:        Fm-3m    (no. 225)
a:        4.0786       
Density (Dm):        19.300        Density (Dx):        19.302        Z:        4

Instrument Information
Radiation:        CuKa1        Wavelength:        1.54056          Filter:        Ni
Instrument(d):        unknown       
Instrument(I):        diffractometer        I type:        unknown


Comments and Additional Information
Colour:        Yellow metallic
Melting Point:        1061.6-1063.2
Source:        Sample purified at NBS, Gaithersburg, Maryland, USA and is about 99.997% Au.
Temperature:        Pattern taken at 26 C.
Analysis:        Spectrographic analysis (%): Si 0.001, Ca 0.001, Ag 0.001(?).
General:        Opaque mineral optical data on specimen from unspecified locality: RR#2Re=71.6, Disp.=16, VHN#1#0#0=53-58, Color values=.384, .391, 72.7, Ref.: IMA Commission on Ore Microscopy QDF.
Optical:        B=0.366

Literature References
General:        Swanson, Tatge. Natl. Bur. Stand. (U.S.), Circ. 539    I    33 (1953)
Optical:        Winchell. Elements of Optical Mineralogy         17 (    )

Peak Data


PeakList
         h         k         l           d          I
         1         1         1        2.3550         100
         2         0         0        2.0390          52
         2         2         0        1.4420          32
         3         1         1        1.2300          36
         2         2         2        1.1774          12
         4         0         0        1.0196           6
         3         3         1        0.9358          23
         4         2         0        0.9120          22
         4         2         2        0.8325          23
2Â¥2013-08-11 09:07:22
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