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The chemical formula of mineral Calzirtite is indicated by CaZr3TiO9. Calzirtite is a characteristic accessory mineral in alkalic and ultramafic complexes associated with carbonatites; typically found in residual soils and alluvium. Calzirtite is usually found in Russia, from [the Gornoozerskii massif,] near lake Gornoe, Aldan, eastern Siberia. This mineral was named for CALcium and ZIR conium in its composition. Mineral Calzirtite is known to crystallize in the orthorhombic system of crystal formation. In optical mineralogy, this orthorhombic crystal system comprises crystals having three mutually perpendicular axes, of which all are of different lengths. Calzirtite has good cleavage found in one direction when closely evaluated wqith the aid of petrographicx polarizing light microscope used in the field of optical mineralogy. Calzirtite is commonly found colored brown green, light brown, light green or dark brown, black brown in hand sample. Thew density measure of mineral Calzirtite is usually found 5.01 grams per cubic centimeters. Most crystals of mineral Calzirtite are found transparent to subopaque in appearance. Mineral Calzirtite is usually found showing brittle fracture which is generally displayed by glasses and most non-metallic minerals. The hardness measure of mineral Calzirtite is usually ranging from 6 to 7 when evvaluated using the Mohs scale method. Calzirtite is commonly found showing adamantine to greasy luster in reflected light of polarizing microscopes. Calzirtite is commonly found leaving a white streak when rubbed on white porrcelain steak plate. Calzirtite is also commonly found showing uniaxial positive figure when evaluated between crossed nicols of polarizing micrscopes. It is also commonly found showing birefringence ranging from 0.0900 to 0.1100. Calzirtite is found to be not radioactive.



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Friday, April 29th, 2011 at 8:55 am
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Optical Mineralogy
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