(Lab02)_Native_elements,_sulfides,_and_sulfosalts_F11

(Lab02)_Native_elements,_sulfides,_and_sulfosalts_F11 - 1...

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Unformatted text preview: 1 Native Elements, Sulfides, and Sulfosalts GLY 4200 Lab 2 - Fall, 2011 2 Native Elements The native elements may be divided into metallic, non-metallic, and semi-metallic Native elements are composed of a single element, uncombined with other elements They are often ores, especially the metallic native elements Gold, Silver, Copper, Platinum 3 Native Element Luster The luster shows distinctive changes from one group to another Metallic group metallic to dull metallic Semi-metal group submetallic to dull metallic Non-metallic various non-metallic lusters 4 Sulfides A sulfide is a compound between sulfur, or another sulfur group element, and a metallic element Most of these minerals are opaque, and they often have characteristic colors, as well as distinctive streak colors A few are transparent to translucent examples cinnabar, realgar, and orpiment 5 Sulfide Formulas The general formula is A m X n where A represents metallic elements, X represents a...
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This note was uploaded on 12/12/2011 for the course GLY 4200c taught by Professor Warburton during the Fall '10 term at FAU.

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(Lab02)_Native_elements,_sulfides,_and_sulfosalts_F11 - 1...

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