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.
The term jade is applied to two different metamorphic rocks that are made up of different silicate minerals 1  : Nephrite consists of a microcrystalline interlocking fibrous matrix of the calcium, magnesium-iron rich amphibole mineral series tremolite (calcium-magnesium)-ferroactinolite (calcium-magnesium-iron).