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The chemical formula of mineral Auricupride is indicated by Cu3Au. Auricupride is usually found occuring in serpentinites as a low temperature un-mixing of Au-Cu alloys. This mineral Auricupride is most commonly found at its type of locality at Karabaseh and Talnakh deposits, Ural Mountains, Russia. Auricupride was named after its composition of Au and Cu. Mineral Auricupride is known to crystallize in the isometric system of crystal formation. In optical mineralogy, this isometric crystal system comprises crystals having three axes, all of which are perpendicular to one another and all are found equal in lengths.Auricupride has no cleavage display even if it is evaluated more closely with the aid of petrographic polarizing light microscope used in the field of optical mineralogy. Mineral Auricupride is commonly found colored bronze or copper in hand sample. The specific gravity measure of mineral Auricupride is usually found 11.5 grams per cubic centimeters. Most crystals of mineral Auricupride are found opaque in appearance. Auricupride is also commonly found showing malleable fracture where crystal usually deforms rather than breaking apart with a hammer. It can be also found forming as anhedral grains showing granular minerals without the expression of crystal shapes. Sometimes it can be also found ductile where grains deform from mechanical stress. This is actually a known characteristic of metals. It can be also found with platy sheet forms. The hardness measure of mineral Auricupride when it is evaluated using the Mohs scale method is usually found ranging from 2 to 3. Auricupride is usually found showing non-fluorescent appearance. Mineral Auricupride is also commonly found showing metallic luster when viewed in reflected light of petrographic polarizing microscope used in the field of optical mineralogy. Mineral Auricupride is also most commonly found leaving yellow streak when rubbed on a white porcelain streak plate. Auricupride is a non-radioactive mineral as evaluated.



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Thursday, September 30th, 2010 at 3:25 pm
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Optical Mineralogy
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