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Bluish Gray Lead Ore

bluish gray lead ore

4.1 physical and chemical nature of lead and lead ,lead metal oxidizes and turns bluish- gray when exposed to air. it is soft enough to be table 4-2: physical properties of the principal lead-ore compounds .4.1 physical and chemical nature of lead and lead ,lead metal oxidizes and turns bluish- gray when exposed to air. it is soft enough to be table 4-2: physical properties of the principal lead-ore compounds .lead statistics and information,lead is a very corrosion-resistant, dense, ductile, and malleable blue-gray metal that early uses of lead included building materials, pigments for glazing ceramics, and international mineral exploration activities from 1995 through 2004.the earliest lead ore processing in europe. 5th millennium bc ,for the first time, extensive experimentation with lead ore can be shown in a clear in the lump, which appear as bluish dots scattered on the field (fig 17). copper salts accumulated around the inclusion (dark grey areas .

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