the copper ores are far more abundant than native copper and are the main source of copper today. even though native copper is sometimes mined on its own for the copper content. copper ranks second as the most-used metal in the world. the special properties of conductivity malleability resistance and beauty make it so popular. the main
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mineralogy is an active science in which minerals are discovered or recognised on a regular basis. use of old mineral names is also discontinued for example when a name is no longer considered valid. therefore a list of recognised mineral species is never complete.
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uses of copper. native copper was probably one of the early metals worked by ancient people. nuggets of the metal could be found in streams in a few areas and its properties allowed it to be easily worked without a required processing step.
properties of minerals a detailed description. color. most minerals have a distinctive color that can be used for identification. in opaque minerals the color tends to be more consistent so learning the colors associated with these minerals can be very helpful in identification.
native copper minerals. page 9. cost. item description. click picture for larger image. $80.00: m250hb here is a nice specimen of natural copper from keweenaw peninsula michigan. this is natural native copper which has been mostly removed from the matrix rock which was surrounding it. it is the natural formation just as it formed in the rock.
minerals are classified on the basis of their chemical composition which is expressed in their physical properties. this module the second in a series on minerals describes the physical properties that are commonly used to identify minerals. these include color crystal form hardness density luster and cleavage.
in nature copper occurs in a variety of minerals including native copper copper sulfides such as chalcopyrite bornite digenite covellite and chalcocite copper sulfosalts such as tetrahedite-tennantite and enargite copper carbonates such as azurite and malachite and as copper(i) or copper(ii) oxides such as cuprite and tenorite
china's corner on the rare earth elements is causing some concern around the world. globalpost's david looks at how china's has the u.s. over a barrel on rare earths which are a key
diamond is a mineral with unique properties and many gem and industrial uses! corundum. corundum is the third hardest mineral. it is also the mineral of ruby and sapphire. garnet. garnet is best known as a red gemstone. it occurs in any color and has many industrial uses. fluorescent minerals.