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Click Here For Best Selection Of High Quality Polarizing Microscope

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The chemical formula of mineral Arsenoflorencite-(Ce) is indicated by (Ce,La)Al3(AsO4)2(OH)6. This mineral is usually found as detrital grains in a heavy mineral concentrates. It is usually found at its type of locality at Kimba, Eyre Peninsula, South Australia. Mineral Arsenoflorencite-(Ce) was named as the arsenic analog of florencite and the dominant rare earth element, cerium. Arsenoflorencite-(Ce) is known to crystallize in the trigonal-hexagonal scalenohedral form. In optical mineralogy, the hexagonal system of crystallization comprises crystals having four axes. Three of which are positioned in a single plane with equal length and are symmetrically spaced. The fourth axis is found to be perpendicular to the other three axes.

            Mineral Arsenoflorencite-(Ce) 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. It is most commonly found colored white, pale brown and colorless. The specific gravity measure of mineral Arsenoflorencite-(Ce) is usually found 4.096 grams per cubic centimeters. Most crystals of mineral Arsenoflorencite-(Ce) are found translucent in appearance. Arsenoflorencite-(Ce) is usually found showing brittle to conchoidal fracture under polarizing microscope. This is actually a very brittle fracture producing small, conchoidal fragments. The crystal habit of mineral Arsenoflorencite-(Ce) as described in the field of optical mineralogy usually includes subhedral forms occuring as crystals which tend to exhbit a reconizable crystal shape. The hardness measure of the mineral when it is evaluated using the Mohs scale method is usually found 3.5. It is also most commonly found exhibiting vitreous to glassy luster when viewed in reflected light of polarized microscope for mineralogists. Arsenoflorencite-(Ce) is most commonly found leaving a white streak when rubbed on white porcelain strea plate. Mineral Arsenoflorencite-(Ce) is commonly found showing uniaxial positive figure when evaluated between crossed nicols of petrographic polarizzing microscope used in the field of optical mineralogy. It is usually found showing 0.0060 birefringence. Arsenoflorencite-(Ce) has a weak radioactivity detected when it was chemically evaluated.



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Friday, July 16th, 2010 at 10:15 am
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Optical Mineralogy
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