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SlideshowReport

Silicon-oxygen tetrahedron

Description
Rock-forming silicates
Most common mineral group
Contain the silicon-oxygen tetrahedron
Four oxygen atoms surrounding a much smaller silicon atom
Combines with other atoms to form the various silicate structures  

Rock-forming silicates
Groups based upon tetrahedral arrangement
Olivine – independent tetrahedra
Pyroxene group – tetrahedra are arranged in chains
Amphibole group – tetrahedra are arranged in double chains    
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