19. Feldspars arechain silicatessheet silicatesframework silicatesnon-silicates20. Calcite and Aragonite have the same chemical composition, why they havedifferent specific gravity? *Enter your answer

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19) Silica tetrahedra which are said to be bonded in three dimensional framework are generally…

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19. Feldspars are chain silicates sheet silicates framework silicates non-silicates 20. Calcite and Aragonite have the same chemical composition, why they have different specific gravity? *