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Sphalerite is a sulfide mineral with the chemical formula (Zn, Fe)S. [5] It is the most important ore of zinc . Sphalerite is found in a variety of deposit types, but it is primarily in sedimentary exhalative , Mississippi-Valley type , and volcanogenic massive sulfide deposits.
Sphalerite is also distinctive in being moderately heavy for its size and having six different planes of cleavage. Sphalerite is the most important zinc ore mineral. Zinc produced from sphalerite is used for many purposes, including mixing with copper to produce brass, rust protection of iron & steel, and for making modern American pennies ...
The zinc in sphalerite is also used to produce brass. This sample was extracted in Creede, Colorado , and features black tetrahedral crystals of sphalerite up to 8 mm (0.31 in) in size, with minor chalcopyrite and calcite, in a 4.5 cm × 3.0 cm × 2.0 cm (1.77 in × 1.18 in × 0.79 in) matrix .
Mali me Gropa (lit. ' Holes Mountain ') is a massif situated in central Albania, east of Tirana municipality, wedged between the Dajti Mountain National Park in the west and the Martanesh highlands in the east. It forms part of the Mali me Gropa-Bizë-Martanesh Nature Park, within the Western Ranges.
The Albanian Wikipedia (Albanian: Wikipedia Shqip) is the Albanian language edition of Wikipedia started on 12 October 2003. As of 25 December 2024, the Wikipedia has 101,089 articles and is the 73rd-largest Wikipedia.
The Myzeqe plain is a large alluvial plain traversed by three main rivers, the Shkumbin, Seman and Vjosë. [2] The Vjosë gives a rough approximation of the southern extent of the Myzeqe, while the Shkumbin is roughly its northern extent. [3]
Përshëndetje, Welcomeen-sq, dhe mirë se vini në Wikipedia!Ndërkohë që përpjekjet për të përmirësuar Wikipedia-n janë gjithmonë të mirëpritura, për fat të keq kontributet tuaja nuk janë të shkruara në një anglishte kaq të mirë sa të jetë e dobishme.
The enterprise known as Trepça was a conglomerate of 40 mines and factories, located mostly in Kosovo but also in locations in Montenegro.But the heart of its operations, and the source of most of its raw material, is the vast mining complex to the east of Mitrovica in the north of Kosovo, famous since Roman times.