These are Pure Copper Nuggets,
Rarely found in nature.
Most Copper is combined with other elements in nature and must be mined, and then Copper is extracted by chemical processes.

Can vary greatly in size from a mere pebble to the largest known piece of natural float copper ever found. That enormous piece of Copper was found in Hancock, MI.
and weighed in at about 40 tons.
Copper was known to the ancients and its first probable users were the Sumerians and of Mesopotamia approximately 5,000 to 6,000 years ago.

Copper is found as a pure metal in nature, and this was the first source of the metal to be used by humans. It was the first metal to be smelted from its ore, The first metal to be cast into a shape in a mold, And the first metal to be purposefully alloyed with another metal, tin, to create bronze.
In the Roman era, copper was principally mined on Cyprus, the origin of the name of the metal, from aes сyprium (metal of Cyprus), later corrupted to сuprum, from which the words copper (English), cuivre (French), Koper (Dutch) and Kupfer (German) are all derived. Architectural structures built with copper, corrode to give green verdigris (or patina). Decorative art prominently features copper, both in the elemental metal and in compounds as pigments.
Copper is essential to all living organisms as a trace dietary mineral. In humans, copper is found mainly in the liver, muscle, and bone.The adult body contains between 1.4 and 2.1 mg of copper per kilogram of body weight. Hence a healthy human weighing 60 kilogram contains approximately 0.1 g of copper. However, this small amount is essential to the overall human well-being

Antiquity and Middle Ages

In Greece, copper was known by the name chalkos. It was an important resource for the Romans, Greeks and other ancient peoples. In Roman times, it was known as aes Cyprium, aes being the generic Latin term for copper alloys and Cyprium from Cyprus, where much copper was mined. The phrase was simplified to cuprum, hence the English copper. Aphrodite (Venus in Rome) represented copper in mythology and alchemy because of its lustrous beauty and its ancient use in producing mirrors; Cyprus was sacred to the goddess. The seven heavenly bodies known to the ancients were associated with the seven metals known in antiquity, and Venus was assigned to copper.
Britain first used brass in about the 3rd or 2nd Century BC. In North America, copper mining began with marginal workings by Native Americans. Native copper is known to have been extracted from sites on Isle Royale with primitive stone tools between 800 and 1600. Copper metallurgy was flourishing in South America, particularly in Peru around 1000 AD. Copper burial ornamentals from the 15th century have been uncovered, but the metal's commercial production did not start until the early 20th century.

The cultural role of copper has been important, particularly in currency. Romans in the 6th through 3rd centuries BC used copper lumps as money. At first, the copper itself was valued, but gradually the shape and look of the copper became more important. Julius Caesar had his own coins made from brass, while Octavianus Augustus Caesar's coins were made from Cu-Pb-Sn alloys. With an estimated annual output of around 15,000 t, Roman copper mining and smelting activities reached a scale unsurpassed until the time of the Industrial Revolution; the provinces most intensely mined were those of Hispania, Cyprus and in Central Europe


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