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The chemcal formula of mineral Atlasovite is indicated by Cu6Fe+++Bi+++O4(SO4)5•KCl. Atlasovite is usually found at volcanic sublimate. Mineral Atlasovite is most commonly found at its type of locality at Tolbachik fissure volcano, Kamchatka Peninsula, Russia. Mineral Atlasovite was named for Vladimir Vasil’evich Atlasov (1661/1664-1711), Russian traveller who first explored the Kamchatka Peninsula. Atlasovite is known to crystallize in the 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.Atlasovite is commonly found showing perfect cleavage in one distinct direction which can be found more clearly exhibited when viewed closely with the aid of petrographic polarizing light microscope used in the field of optical mineralogy. Mineral Atlasovite is most commonly found colored dark brown in hand sample. The specific gravity measure of mineral Atlasovite is usually found 4.2 grams per cubic centimeter. Most crystsl of mineral Atlasovite are found transparent in appearance. The hardness measure of mineral Atlasovite when it is evaluated using the Mohs scale method is usually found ranging from 2 to 2.5. Mineral Atlasovite is most commonly found leaving a light brown streak when rubbed on a white porcelain streak plate. Mineral Atlasovite is commonly found showing a uniaxial negative figure when evaluated closely between crossed nicols of polarized microscope used in the field of optical mineralogy. Atlasovite is usually found showing 0.0070 birefringence. Atlasovite has a barely detectable radioactivity after specimen was chemically evaluated.



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Thursday, September 30th, 2010 at 3:22 pm
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Optical Mineralogy
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