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The chemical formula of mineral Skutterudite is indicated by CoAs3 or Cobalt Arsenide. Skutterudite is actually a Sulfide mineral. Skutterudite is also considered as a minor ore of Cobalt and Nickel. Skutterudite is usually found forming pyrite-like crystals that is in contrast with its silver color giving it a unique look that is a must for a serious mineral collector. Mineral Skutterudite is most commonly found tin white to silver in color that could appear more splendidly exhibited when viewed with the aid of petrographic polarizing light microscope used in the field of optical mineralogy. Skutterudite is most commonly found exhibiting metallic luster when viewed in reflected light of polarized microscopes for mineralogists. Skutterudite is said to derived its name form its type of locality at Skutterud, Norway.

 

            Most crystals of mineral Skutterudite are found opaque in appearance. Skutterudite is also known to crystallize in the isometric system of crystals formation. The crystal habit of mineral Skutterudite as described in the field of optical mineralogy usually includes the octahedron often modified with cube faces and the pyritohedron, all of which can be seen more interesting under polarizing microscope used in optical mineralogy. Skutterudite is also often found massive in form. Skutterudite is most commonly found showing indistinct cleavage when viewed with the aid of polarized microscopes for mineralogists. It is also usually found showing conchoidal or uneven fracture when evaluated with the aid of petrographic polarizing light microscopes used in the field of optical mineralogy. The hardness measure of mineral Skutterudite when it is evaluated using the Mohs scale method is usually 6. Skutterudite is most commonly found leaving a black streak when specimen sample is rubbed on a white porcelain streak plate. The specific gravity measure of the mineral Skutterudite is approximately 6.5 to 6.8 grams per cubic centimeters, which is heavier than average for metallic minerals. It is also sometimes found iridescent. Skutterudite is usually found associated with annabergites, erythrite and some nickel sulfides and arsenides like cobaltite. The best field indicators of mineral Skutterudite usually include color, streak, crystal habit, associations and lack of cleavage. Skutterudite notably occurs at several localities including Cobalt, Ontario as well as Skutterud, Norway and Franklin New Jersey. It can be also found from other cobalt mines around the world.

 



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Thursday, July 30th, 2009 at 9:31 am
Category:
The Sulfides Mineral Class
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