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Click Here For Best Selection Of High Quality Polarizing Microscope

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            The chemical symbol for the Elemental Silicon is indicated by Si. It is actually classified under the Elemental Minerals. Silicon is an integrated circuit substrate and semiconductor. It has been found that Silicon is rarely found in its uncombined form. Silicon is actually usually found as a native mineral only in volcanic exhalations and as tiny inclusions in gold and it can be seen very splendidly exhibited when viewed with the aid of petrographic polarizing light microscopes used in the field of optical mineralogy. The word Silicon was taken form the Latin word for flint. There is also another term silicone, which refers to the synthetic polymer that is made of Silicon, Carbon and Oxygen and it has actually many medical and some industrial purposes. Laboratory – grown Silicon boules are actually of growing interest in rock shops.

             Silicon is most commonly found iron-black, dark silver-gray to bluish brown color which can be very interesting when viewed with the aid of petrographic polarizing light microscopes used in the field of optical mineralogy. Silicon usually found showing metallic luster when viewed in reflected light of polarized microscopes for mineralogists. Most Silicon crystals are found opaque in appearance. Native Silicon is known to crystallize in the isometric system of crystal formation. In optical mineralogy, this isometric crystal system comprises crystals having three axes, all of which are perpendicular to one another and all are found equal in lengths. The crystal habit of Silicon as described in the field of optical mineralogy is usually limited to microscopic crystals and inclusions.             Native Silicon has absent cleavage even when specimen is closely evaluated under polarizing microscope used in the field of optical mineralogy. Silicon is also found showing conchoidal fracture when evaluated with the aid of polarized microscope for mineralogists. The specific gravity measure of the mineral Silicon is approximately 2.3 grams per cubic centimeters. The hardness measure of Native Silicon when specimen is evaluated using the Mohs scale method is usually found 7. When specimen sample is rubbed on a white porcelain streak plate, Native Silicon is most commonly found leaving a black streak. The best field indicator of Native Silicon is the fact that it is usually found in used with computer circuits etched on the surface. Silicon has very limited association only to gold wherein it is usually found as an inclusion mineral. Native Silicon notably occurs at several localities including Nuevo, Potosi, Cuba and also Kola Peninsula, Russia as well as Tolbachik, Kamchatka in Russia.



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Thursday, August 13th, 2009 at 2:11 pm
Category:
The Native Elements Mineral Class
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