Question:

Example of a three-dimensional silicate is :

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Beryl is a cyclic silicate; zeolites, feldspars and ultramarines are framework (three-dimensional) silicates.
Updated On: Nov 11, 2026
  • Zeolites
  • Ultramarines
  • Feldspars
  • Beryls
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The Correct Option is A

Solution and Explanation

In three-dimensional (framework) silicates all four oxygen atoms of every \(\mathrm{SiO_4}\) tetrahedron are shared with neighbouring tetrahedra.
Zeolites, feldspars and ultramarines are framework silicates, while beryl \(\mathrm{Be_3Al_2Si_6O_{18}}\) is a cyclic silicate.
Taking zeolites, the standard textbook example of a three-dimensional aluminosilicate, the answer is option (1).
Answer: (1) Zeolites
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