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The chemical formula of mineral Bazirite is indicated by BaZrSi3O9. This mineral is considered as a late-stage interstitial mineral in aegrine-riebeckite granite like the ones found in Rockall Island, Scotland. Mineral Bazirite is usually found at its type of locality on Apex Ridge, Rockall Island, in the North Atlantic Ocean, 294 km west of St. Kilda Island, Outer Hebrides, Scotland. Bazirite is known to crystallize in the 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 Bazirite was named for Barium and ZIRconium in the composition.

Mineral Bazirite is most commonly found showing indistinct cleavage in one direction which can be found more clearly visible when viewed closely under polarizing light microscope. Mineral Bazirite is most commonly found colorless in appearance in hand sample. The specific gravity measure of mineral Bazirite is usually found 3.82 grams per cubic centimeters. Most crystals of mineral Bazirite are found transparent in appearance. The hardness measure of mineral Bazirite when it is evaluated using the Mohs scale method is usually found ranging from 6 to 6.5. Mineral Bazirite is also commonly found exhibiting vitreous or glassy luster when viewed in reflected light of polarizing microscope used in the field of optical mineralogy. Mineral Bazirite is most commonly found leaving white streak when rubbed on a white porcelain streak plate. Mineral Bazirite is also commonly found showing uniaxial positive figure when evaluated closely between crossed nicols of polarizing microscope used in the field of optical mineralogy. Baziriteis also usually found showing 0.0097 to 0.0099 birefringence. Bazirite is a non-radioactive mineral as evaluated.



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Sunday, October 24th, 2010 at 3:25 am
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Optical Mineralogy
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