plush-copper ore

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cuprite — /kyooh pruyt, kooh /, n. a mineral, cuprous oxide, Cu2O, occurring in red crystals and brown to black granular masses: an ore of copper. [1840 50; CUPR + ITE1] * * * ▪ mineral soft, heavy, red oxide mineral (Cu2O) that is an important ore of… … Universalium
Steamboats of the Mississippi — GeographyThe Mississippi is one of the world’s great rivers. It spans 3860 miles of length as measured using its northernmost west fork, the Missouri River, which starts in the Rocky Mountains in Montana, joining the Mississippi proper in the… … Wikipedia
materials — (New American Roget s College Thesaurus) Substances used to produce goods Nouns 1. materials, raw materials, substances, stuff; stock, staples; fuel; grist; stores, goods, provisions (see store); means; baggage, personal property. 2. a. wood,… … English dictionary for students

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