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A Katanga cross (French: croisette du Katanga), also called a handa, is a cast copper ingot in the shape of an equal-armed cross which was once used as a form of currency in parts of what is now the Democratic Republic of the Congo (DRC) in the 19th and early 20th centuries. Katanga crosses were made in various sizes, typically about 20 ...
Prior to the establishment of the Qing dynasty, the Aisin Gioro clan established the Later Jin dynasty, named after the Jin dynasty of the Wanyan clan. [5] Nurhaci had united the many tribes of the Jianzhou and Haixi Jurchens under the leadership of the Aisin Gioro clan, [6] and later ordered the creation of the Manchu script based on the Mongolian vertical script.
During colonial times the brass and bronze industries were almost non-existent because the British demanded all copper ore be sent to Britain for processing. [5] Copper based alloy ingots weighed approximately 20 pounds (9.1 kg). [6] [7]
A-grade copper cathode is of 99.99% copper in sheets that are 1 cm thick, and approximately 1 meter square weighing approximately 200 pounds. It is a true commodity , deliverable to and tradeable upon the metal exchanges in New York City (COMEX), London (London Metals Exchange) and Shanghai (Shanghai Futures Exchange).
The Casino project inferred resources including reserves containing 21.1 million troy oz gold, 10.7 billion lb copper, and 169.5 million lb molybdenum. ... 10 Stocks To Buy on Sale and Never Look ...
Zamak ingot ZAMAK (or Zamac , formerly trademarked as MAZAK [ 1 ] ) is an eclectic family of alloys with a base metal of zinc and alloying elements of aluminium , magnesium , and copper . Zamak alloys are part of the zinc aluminium alloy family; they are distinguished from the other ZA alloys because of their constant 4% aluminium composition.