Peruvian Pyrite
Origination: Peru
Height - 9" - Width - 13" - Depth - 9"
Peruvian Pyrite: $11,500.00 U.S.D.
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According to well-known mineral specimen importer Rock Currier, the Huanzala mine probably holds the world record with regard to total tonnage of mineral specimens produced by a single mine. In ancient Roman times, this name was applied to several types of stone that would create sparks when struck against steel; Pliny the Elder described one of them as being brassy, almost certainly a reference to what we now call pyrite.[9]
By Georgius Agricola's time, ca. 1550, the term had become a generic term for all of the sulfide minerals.[10] Pyrite enjoyed brief popularity in the 16th and 17th centuries as a source of ignition in early firearms, most notably the Wheelock, where the cock held a lump of pyrite against a circular file to strike the sparks needed to fire the gun. Pyrite has been used since classical times to manufacture copperas, that is, iron sulfate. Iron pyrite was heaped up and allowed to weather (an example of an early form of heap leaching). The acidic runoff from the heap was then boiled with iron to produce iron sulfate. In the 15th century, such leaching began to replace the burning of sulfur as a source of sulfuric acid. By the 19th century, it had become the dominant method.
https://en.wikipedia.org/wiki/Pyrite
http://www.crystalvaults.com/crystal-encyclopedia/pyrite
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