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Bentonite layers from an ancient deposit of weathered volcanic ash tuff in Wyoming Gray shale and bentonites (Benton Shale; Colorado Springs, Colorado). Bentonite (/ ˈ b ɛ n t ə n aɪ t / BEN-tə-nyte) [1] [2] is an absorbent swelling clay consisting mostly of montmorillonite (a type of smectite) which can either be Na-montmorillonite or Ca-montmorillonite.
Bentonite usually forms from weathering of volcanic ash, most often in the presence of water. However, the term bentonite, as well as a similar clay called tonstein, have been used for clay beds of uncertain origin. For industrial purposes, two main classes of bentonite exist: sodium bentonite and calcium bentonite.
Pages in category "Bentonite" The following 6 pages are in this category, out of 6 total. This list may not reflect recent changes. ...
The mineral was first synthesized in 1973 during a study of the Ba-Mg-Ca-CO 3 system in aqueous solution. At room temperature, a solution containing proportional quantities of magnesium chloride, barium chloride, and calcium chloride was prepared, to which sodium carbonate was added.
Historically Mirdita was the largest tribal region of Albania in terms of geographic spread and population. [3] The region is situated in northern Albania, and it borders the traditional tribal areas of Puka (Berisha, Kabashi, Qerreti) in the north; the Lezha highlands (Vela, Bulgëri, Manatia, Kryeziu) in the west and southwest; the northern Albanian coastal plain of Lezha and Zadrima between ...
Këlcyrë (Albanian definite form: Këlcyra) is a town and a municipality in southern Albania, located on the bank of the river Vjosë.It was formed at the 2015 local government reform by the merger of the former municipalities Ballaban, Dishnicë, Këlcyrë and Sukë, that became municipal units.
The Fortress of Bashtovë (Albanian: Kalaja e Bashtovës) is a medieval quadrangular fortress located close to the outflow of the Shkumbin River into the Adriatic Sea in central Albania. It is part of the tentative list of Albania in order to qualify for inclusion in the UNESCO World Heritage Site list. [1]
In the 1880, he sought to become the prince of Albania. his son, Mithat bey Frasheri, (1880-1849), a patriot and writer during the half of the 19th century, was head of the Ballin Kombetar during World War II, and main rival against the Communist party. Naim Frasheri, the most famous poet and writer of Albania.