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The chemical formula of mineral Chlorargyrite is indicated by AgCl or Silver Chloride. Chlorargyrite is actually a Halide mineral. The name Chlorargyrite was actually derived from the Greek words chloros, which means pale green and the argyros, which means silver. The word chloros actually refers to the chlorine content of the mineral while argyros refers to the silvery sheen of the mineral when evaluated in reflected light of petrographic polarizing light microscope and not from the element silver. This Chlorargyrite mineral species was actually first discovered in the year 1565 at Saxony in Germany. Chlorargyrite is known to crystallize in the isometric system of crystal formation. In optical mineralogy, this isometric system comprises crystals having three axes, all of which are perpendicular to one another and all are found equal in lengths. Chlorargyrite mineral is rarely found forming good crystals. This is considered unfortunate to most mineral collectors because Chlorargyrite can actually be considered as one of those very interesting mineral if it forms good shaped crystals. When few Chlorargyrite mineral crystals are found, they are actually considered very much valuable. Chlorargyrite mineral crystals are generally found as cubes, which are usually found having pearly gray to brown colors. Generally, Chlorargyrite minerals are usually showing silky to resinous luster. Mineral Chlorargyrite is actually considered as a minor ore of silver and it is commonly used as mineral specimens.

 

            Chlorargyrite mineral is also known as cerargyrite and/or was considered as a locally important ore mineral of element silver. Chlorargyrite as a silver ore mineral can be found exhibiting a nice and splendid microscope image under an ore polarizing light microscope for mineralogists. This ore mineral can be actually found forming rich deposits of silver ore but only in isolated forms and are in fleetingly small sizes. Many ghost towns in Western United States sit near the location, which was considered a rich and at some sense considered temporarily profitable deposit of mineral Chlorargyrite. Even today, several important Chlorargyrite mineral deposits are still being worked.

 

Chlorargyrite minerals are commonly found exhibiting a colorless color on fresh surfaces. In optical mineralogy, these colorless sections are commonly found allowing the whole constituents of the white light to pass through making the mineral non-pleochroic even when evaluated under polarized microscopes for mineralogists. Chlorargyrite mineral specimens can be also found in pearly gray colors, brown or even violet brown in transmitted light of petrographic polarizing light microscope. Chlorargyrite is most commonly found showing resinous, sometimes silky or adamantine luster when it is closely evaluated in reflected light of polarized microscope used in optical mineralogy. Chlorargyrite mineral is usually found with absent cleavage when evaluated between crossed nicols of polarizing light microscopes for mineralogists. The fracture that is found when Chlorargyrite minerals are examined under several adjustments on the aperture diaphragm of the polarized microscope is commonly conchoidal. The specific gravity measure of the mineral Chlorargyrite is usually ranging from 5.5 grams per cubic centimeters to 5.6 grams per cubic centimeters, which is considered very heavy for translucent minerals. The hardness measure of the mineral Chlorargyrite using the Mohs scale method is commonly found ranging from 1.5 to 2.5. Chlorargyrite is most commonly found leaving a white streak when specimen is rubbed on a white porcelain streak plate.

 

Chlorargyrite mineral crystals can be found in translucent to transparent in appearance. The crystal habit of mineral Chlorargyrite as described in optical mineralogy usually includes the very scarce cube forms. These minerals are more commonly found in massive forms, stalactitic, crusty and columnar, which are very interesting when viewed with the aid of geological polarizing light microscope. Chlorargyrite mineral crystals will eventually turned darker in color when its exposure to light is prolonged. Chlorargyrite crystals can be also molded and pounded into different shapes. It can be also easily cut into slices. Chlorargyrite minerals are non-fluorescent in either long wave or short wave ultraviolet light. Mineral specimens of Chlorargyrite are commonly found isotropic when closely evaluated between crossed nicols of petrographic polarizing light microscope used in optical mineralogy.

 

Chlorargyrite minerals are usually found not radioactive after several chemical evaluations made. The crystals of Chlorargyrite are commonly found sectile. There is also no specific data found on the toxicity and health dangers for this mineral Chlorargyrite. However, the specimens of this mineral should be treated with great care and use of sensible precaution is advised upon handling them. Mineral Chlorargyrite is commonly found forming on top of the silver ore veins, which have been found subjected to weathering. This silver ore vein is will not be considered as a profitable ore body if not because of the process called supergene enrichment. When certain metals are leached out by minerals that are slightly soluble in hydrothermal fluids, this process called supergene enrichment occurs. These leached out metals are then redeposited in the concentrated pockets as a different mineral. The process that occurred is aptly termed as enrichment because the pocket deposits are usually found containing more rich ore metals than the original material. And this mineral Chlorargyrite is only one of those minerals, which are considered as supergene enrichment product.

 

            Chlorargyrite mineral is most commonly found associated with several other interesting and wonderful minerals such as calcite, stephanite, native silver, barite, acanthite and several other ore minerals of silver. The best field indicators of mineral Chlorargyrite usually include color, density, lack of cleavage, luster, ductility, crystal habit and its wonderful association with several other interesting minerals. Mineral Chlorargyrite are commonly formed in the alteration zone in epithermal veins as well as in the hydrothermal replacement deposits. Chlorargyrite minerals notably occur at some types of localities like some areas in the United States such as the Treasure Hill and Comstock Lode in Nevada and Colorado as well as the Silver City District in Idaho and also in some other areas like Bolivia, Atacama in Chile, Italy, France, the Harz Mountains in Germany, Spain and also in New South Wales in Australia.



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Monday, February 16th, 2009 at 2:45 am
Category:
The Halides Mineral Class
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