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Tantalum is a chemical element; it has symbol Ta and atomic number 73. Previously known as tantalium , [ citation needed ] it is named after Tantalus , a figure in Greek mythology. [ 11 ] Tantalum is a very hard, ductile , lustrous , blue-gray transition metal that is highly corrosion-resistant.
Avalon Advanced Materials Inc. is a Canadian mineral development company with a primary focus on the rare metals and minerals, headquartered in Toronto, Ontario, Canada. . Avalon specializes in niche market of metals and minerals with growing demand in new technol
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The mineral group tantalite [(Fe, Mn)Ta 2 O 6] is the primary source of the chemical element tantalum, a corrosion (heat and acid) resistant metal.It is chemically similar to columbite, and the two are often grouped together as a semi-singular mineral called coltan or "columbite-tantalite" in many mineral guides.
Pilbara Minerals was founded in January 2005 as Portland International. [1] It commenced trading in August as an internet and telephone sports bookmaker.Having been renamed Marginbet in April 2007, it was listed on the Australian Securities Exchange in September 2007.
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Australian mining company Sons of Gwalia once produced half the world's tantalum but went into administration in 2004. Talison Minerals paid $205 million to buy the Wodgina and Greenbushes tantalum business of Sons of Gwalia but temporarily closed Wodgina because of falling tantalum prices.
The first set of commonly used mineral symbols was published in 1983 and covered the common rock-forming minerals using 192 two- or three-lettered symbols. [1] These type of symbols are referred to as Kretz symbols. More extensive lists were subsequently made available in the form of publications [2] [3] or posted on journal webpages. [4]