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The chemical formula of mineral Abswurmbachite is indicated by Cu++Mn+++6SiO12. Abswurmbachite is most commonly found in very low-grade, high pressure metamorphic Mn, Al-rich sediments. Abswurmbachite is most commonly found at its type of locality at Milli, Avia and Andros Island, Greece. Abswurmbachite is named after the German mineralogists, Irmgard Abs-Wurmbach. Abswurmbachite is known to crystallize in tetragonal system of crystal formation. In optical mineralogy, this tetragonal system comprises crystals having three axes, which are all in a position perpendicular to one another. Two axes are usually found having the same or equal length. Abswurmbachite has no cleavage even if it is evaluated closely with the aid of petrographic polarizing light microscopes used in the field of mineralogy. Abswurmbachite is usually found black or dark brown in color that can be seen more fascinating when viewed with the aid of petrographic polarizing light microscopes. Abswurmbachite is most commonly found with 4.96 grams per cubic centimeters specific gravity. Most crystals of mineral Abswurmbachite are usually found opaque in appearance. The hardness measure of mineral Abswurbachite when it is evaluated using the Mohs scale method is usually found 6.5. Abswurmbachite is usually found showing metallic luster when viewed in reflected light of polarized microscope used in optical mineralogy. Abswurmbachite is most commonly found leaving a brownish streak whn rubbed on a white porcelain streak plate. Abswurmbachite is not a radioactive mineral.



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Sunday, February 14th, 2010 at 11:27 am
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Optical Mineralogy
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