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Click Here For Best Selection Of High Quality Polarizing Microscope

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The chemical formula of mineral Scorzalite is indicated by (Fe, Mg)Al2(PO4)2(OH)2 or Iron Magnesium Aluminum Phosphate Hydroxide. Mineral Scorzalite is actually a Phosphate mineral. Scorzalite is most commonly used as ornamental stone and as mineral specimen. It is also most commonly found exhibiting nice and interesting images when viewed under polarizing light microscopes. Scorzalite is actually a rare phosphate mineral. Scorzalite is known to be in a solid solution series with mineral lazulite. In the field of optical mineralogy, a solid solution series is a set of two or more minerals that have a couple of elements that substitute freely for each other.

             Scorzalite is most commonly found showing dark azure-blue color when viewed with the aid of petrographic polarizing light microscope. It is also most commonly found showing vitreous to dull luster in reflected light of polarizing microscope for mineralogists. Most specimens of mineral Scorzalite are found translucent in appearance. The crystal habit of mineral Scorzalite as described in the field of optical mineralogy usually includes dipyramidal form that comes close to looking like a distorted octahedron. It is also usually found flattened to the point of being a tabular crystal. It is also found granular and massive in form. Scorzalite is known to crystallize in the monoclinic system of crystal formation. In optical mineralogy, the monoclinic system of crystal formation comprises crystals having three axes of unequal lengths. Two of which are usually found in a position that is oblique or not perpendicular to one another. However, both of which are commonly found perpendicular to the third axis.             Mineral Scorzalite is usually found showing distinct cleavage in one direction which can be seen more clearly visible when viewed with the aid of petrographic polarizing light microscope used in optical mineralogy. It is also usually found showing uneven fracture when evaluated under polarized microscopes for mineralogists. The hardness measure of the mineral when specimen is evaluated using the Mohs scale method is usually 6. Scorzalite is also most commonly found leaving a pale blue streak when specimen is rubbed on a white porcelain streak plate. The specific gravity measure of the mineral is approximately 3.4 grams per cubic centimeters, which is above average for translucent minerals. Scorzalite is most commonly associated with other interesting minerals including quartz, siderite, rutile, wardite, kyanite, brazillianite, andalusite, muscovite and garnets. Scorzalite is only slightly soluble in warm hydrochloric acid. The best field indicators of mineral Scorzalite usually include dark azure blue color, crystal habit, localities, poor reaction to acids, associations and slightly higher density than lazulite. Scorzalite notably occurs at several localities including Menas Gerais, Brazil and most localities that contain lazulite. 



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Thursday, July 30th, 2009 at 9:03 am
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The Phosphates Mineral Class
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