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The chemical formula of mineral Arsenogorceixite is indicated by BaAl3AsO3(OH)(AsO4,PO4)(OH,F)6. Arsenogorceixite is most commonly found occuring as a rare secondary mineral in the oxidized zone of a hydrothermal polymetallic barite-fluorite deposit at Clara mine, Germany. It is also usually found at its type of locality at Clara mine, near Oberwolfache, and the Michael mine, Weiler, near Lahr, Black Forest, Germany. Arsenogorceixite was named for its “arsenic” content and relation to “gorceixite.” Mineral Arsenogorceixite is known to crystallie in the trigonal-hexagonal system of crystal formation. 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 Arsenogorceixite has no cleavage display even if it is evaluated using polarized microscope used in the field of optical mineralogy. Arsenogorceixite is usually found white, yellow, bluish, or colorless that can be found more fascinating when viewed under polarizing microscope used in the field of optical mineralogy. The specific gravity measure of mineral Arsenogorceixite is usually found 3.65 grams per cubic centimeters. Most crytals of mineral Arsenogorceixite are found transparent in appearance. The hardness measure of mineral Arsenogorceixite when it is evaluated using the Mohs scale method is usually found 4. It is also most commonly found showing vitreous to glassy luster when viewed in reflected light of polarizing microscope used in the field of optical mineralogy. Arsenogorceixite is most commonly found leaving a white streak when rubbed on white porcelain streak plate. It is also most commonly found showing uniaxial negative figure when evaluated between crossed nicols. Arsenogorceixite is a non-radioactive mineral as evaluated.



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Friday, July 16th, 2010 at 10:18 am
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Optical Mineralogy
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