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The chemical formula of the mineral Cyanotrichite is indicated by Cu4Al2SO4(OH)12 – 2H2O or Hydrated Copper Aluminum Sulfate Hydroxide. Cyanotrichite is actually a Sulfate mineral. The name Cyanotrichite was actually derived from the Greek words kyaneos, which means blue and triches or hair. This is relative to its common impressive color and interesting crystal habit that can be seen more splendidly exhibited when the mineral is closely evaluated with the aid of petrographic polarizing microscopes used in optical mineralogy. Cyanotrichite was actually first discovered and first described from Romania in 1839. Cyanotrichite mineral is also known as lettsomite, which is very similar to mineral halotrichite and is also a member of the same group of minerals. Cyanotrichite 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.

 

Cyanotrichite is most commonly used as mineral specimens and it is usually found exhibiting very interesting microscope images when evaluated with the aid of petrographic polarizing microscope used in optical mineralogy. Mineral Cyanotrichite is a very attractive colored mineral that has a very wonderful appearance under polarized light of polarizing microscope for mineralogists. Cyanotrichite is commonly found displaying a very impressive bright azure to sky blue color when viewed under polarizing microscope used in optical mineralogy. Mineral Cyanotrichite is also commonly found forming acicular structure, which can be seen more splendidly exhibited when viewed in polarized light of petrographic polarizing microscopes for mineralogists. Cyanotrichite is commonly found exhibiting nice and fascinating hairlike crystals that are usually aggregates into majestic radial clusters, sprays or tufts, all of which can be seen more majestically exhibited when viewed under polarizing light microscopes used in optical mineralogy. Tiny Cyanotrichite crystals are commonly found displaying a very impressive appearance when viewed with the aid of petrographic polarizing microscope due to the interesting color that they possessed.

 

            Mineral Cyanotrichite is commonly found exhibiting bright azure blue to sky blue color when viewed under polarizing microscopes used in optical mineralogy. Cyanotrichite mineral also exhibits a vitreous to silky luster when viewed in reflected light of polarized light microscope used in optical mineralogy. Mineral Cyanotrichite has absent cleavage even if it is evaluated under several minor adjustments on the aperture diaphragm of polarized light microscope for mineralogists. It is also commonly found exhibiting uneven fracture when it is viewed with the aid of petrographic polarizing microscope used in optical mineralogy. The specific gravity measure of the mineral usually gives an approximate value of 3.7 grams per cubic centimeters to 3.9 grams per cubic centimeters, which is considered above average for translucent minerals. The hardness measure of the mineral Cyanotrichite when it is evaluated using the Mohs scale method is commonly found ranging from 3 to 4.5. Cyanotrichite is most commonly found leaving a blue streak when mineral specimens are rubbed on a white porcelain streak plate. 

 

            Most Cyanotrichite mineral crystals are found translucent in appearance. The crystal habit of mineral Cyanotrichite as described in the field of optical mineralogy commonly includes acicular to fibrous crystals that are usually aggregated into coatings, radial clusters, tufts and sprays as well as small tabular crystals. These crystal habits are commonly found producing a nice and interesting piece of material that exhibits a very splendid microscope image when viewed closely with the aid of petrographic polarizing microscopes for mineralogists. Cyanotrichite mineral can be also found in spherical rounded aggregates that are very fascinating when viewed with the aid of polarized microscopes used in optical mineralogy. Cyanotrichite can be found forming velvety aggregates, which can be found exhibiting nice and wonderful images under polarized light microscopes for mineralogists.

 

            Cyanotrichite minerals are commonly considered popular because of their beautiful color display most especially when they are viewed with the aid of petrographic polarizing microscopes used in optical mineralogy. Cyanotrichite is also commonly found showing biaxial positive figure when it is closely evaluated between crossed nicols of polarized light microscopes for mineralogists. The refractive indices of Cyanotrichite when it is evaluated in plane-polarized light of petrographic polarizing microscope are usually found ranging from 1.588 to 1.655. The maximum birefringence found when it is viewed under polarized microscope is usually 0.067. Cyanotrichite has moderate surface relief found when it is viewed under several adjustments on the aperture diaphragm of polarizing microscope for mineralogists. Cyanotrichite commonly displays a relatively strong dispersion when it is viewed in transmitted light of polarized microscope used in optical mineralogy. Mineral Cyanotrichite is a non-pleochroic mineral even when it is viewed meticulously under polarized light microscopes for mineralogists. Cyanotrichite mineral crystals are so fragile. Even a slight touch on the crystals can destroy the majestic crystal groupings of the mineral. Cyanotrichite mineral is very popular among micro mount collectors. There is no specific data on the toxicity and health dangers for mineral Cyanotrichite. However, the specimens of this mineral species should be treated with great care and use of sensible precaution is advised upon handling them.

 

 

            Mineral Cyanotrichite is most commonly found associated with other interesting minerals such as azurite, brochantite, malachite and smithsonite. The best field indicators of mineral Cyanotrichite commonly include color, crystal habit and its wonderful association with other interesting minerals. Cyanotrichite is most commonly formed from the oxidation of copper ore minerals. It is actually considered as an oxidation product of primary copper mineralization in a weathering environment where sulfate and aluminum occur abundantly. They can be actually formed along with other oxidation zone minerals. It is a secondary mineral found in the alteration zones of hydrothermal deposits. Mineral Cyanotrichite notably occurs at some famous mineral localities like Russia, France, some areas in the United States like Nevada, Arizona and Utah, also at Leadhills in Scotland, Laurium in Greece and in South Africa.



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Monday, February 16th, 2009 at 2:46 am
Category:
The Sulfates Mineral Class
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