Description and Use. Copper is a reddish-brown, odorless metal. It is used in. electrical wiring and plumbing, in alloys and protective coatings. for other metals, and in insecticides, fungicides and herbicides.
YANGON, Myanmar: An enormous jade boulder that weighs up to 192 tons has been found in Myanmarâs restive Kachin State, officials said Saturday. The 174,600-kilogram raw jade stone was discovered in a gem-rich region of Hpakant Township in northern Kachin on Tuesday, according to an information ministry statement.
Chinaâs historic jade is nephrite, famous as the toughest stone on Earth and known for its rich resinous texture when polished. Nephrite is the jade that B.C. has in abundance. Its chemical structure is completely different from jadeite, found primarily in Myanmar (Burma).