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Sphalerite has been found as a pseudomorph, taking the crystal structure of galena, tetrahedrite, barite and calcite. [13] [15] Sphalerite can have Spinel Law twins, where the twin axis is [111]. The chemical formula of sphalerite is (Zn,Fe)S; the iron content generally increases with increasing formation temperature and can reach up to 40%. [6]
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 (although the cost of making each zinc penny is >1¢). The crystalline sphalerite specimen shown above is from the well-known Central Tennessee Zinc District (a.k.a ...
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.
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The Albanian Wikipedia (Albanian: Wikipedia Shqip) is the Albanian language edition of Wikipedia started on 12 October 2003. As of 15 January 2025, the Wikipedia has 101,316 articles and is the 73rd-largest Wikipedia. [1]
Language links are at the top of the page across from the title.
[1] The islets fall phytogeographically within the Illyrian deciduous forests terrestrial ecoregion of the Palearctic Mediterranean forests, woodlands, and scrub biome . The vegetation of the islands includes many communities of a Mediterranean type, while the most important habitats include the Mediolitoral and Infralitoral zone. [ 1 ]
Strah me da te Volim ("It frightens me to love you") is the name of the fifth album by the Bosnian band Hari Mata Hari. The album was released in 1990. The album was released in 1990. Commercially, the record was the biggest success for Hari Mata Hari in their entire career.