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| 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 Picture Stats: Views: 293 Filesize: 23.84kB Height: 475 Width: 373 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=39362 |