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The chemical formula of mineral Libethenite is indicated by Cu2PO4(OH) or Copper Phosphate Hydroxide. Libethenite is actually a Phosphate mineral. Libethenite is most commonly used as mineral specimen and it is most often found exhibiting nice and interesting images when viewed with the aid of petrographic polarizing light microscope used in the field of optical mineralogy. Mineral Libethenite was aptly named after its type of locality at Lubietova, Czechoslovakia, a German Livethen. Mineral Libethenite 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.

 

            Mineral Libethenite is a rare secondary copper mineral that is noted for its deep green color that is much more splendidly exhibited when viewed with the aid of polarized microscope used in the field of optical mineralogy. Libethenite is isostructural with Olivenite and Adamite. In the field of optical mineralogy, this means that they share the same symmetry and crystal shapes. Libethenite’s emerald green color and bright luster give it a well earned place in anyones collection. Mineral Libethenite is most commonly found in dark emerald to olive green color that is often found more majestically exhibited when mineral is viewed under polarized microscope for mineralogists. Mineral Libethenite is also most commonly found exhibiting resinous to vitreous luster when specimen is viewed in reflected light of petrographic polarizing microscope used in the field of optical mineralogy.

 

            Most specimen of mineral Libethenite is usually found translucent in appearance. The crystal habit of mineral Libethenite as described in the field of optical mineralogy includes crystals that are diamond-shaped, often acicular, prisms that are terminated by a dome with triangular faces, also as tiny crystalline druzes, fibrous masses nodules and crusts. Libethenite is most commonly found showing good cleavage in two directions, which can be seen more clearly visible when specimen is viewed with the aid of polarized light microscope used in the field of optical mineralogy. Mineral Libethenite is also most commonly found showing subconchoidal to uneven fracture when specimen is closely evaluated with the aid of polarizing light microscope used in optical mineralogy. The hardness measure of mineral Libethenite when it is evaluated using the Mohs scale method is usually found 4. Mineral Libethenite is most commonly found leaving an olive green streak when specimen is rubbed on a white porcelain streak plate. The specific gravity measure of mineral Libethenite is usually found ranging from 3.6 grams per cubic centimeters to 3.9 grams per cubic centimeters, which is considered above average for translucent minerals. Mineral Libethenite is also found slightly soluble in hydrochloric acid.

 

            Mineral Libethenite is most commonly found in deeply weathered, highly concentrated copper sulfide ore bodies. Mineral Libethenite is also most commonly found associated with other interesting minerals such as olivenite, brochantite, malachite, limonite, quartz, adamite, and other secondary copper minerals. The best field indicators of mineral Libethenite includes streak, color, density, crystal habits, and association Mineral Libethenite is most commonly and notably found at some localities including Romania, Zaire, Cornwall in England, Libethen (hence the name), Russia and California, Utah and Arizona, USA.



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Tuesday, March 31st, 2009 at 7:52 am
Category:
The Phosphates Mineral Class
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