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GK QUESTION#3219

Consider the following statements regarding phyllosilicates: 1. Micas, chlorite, talc, and serpentine are common examples of phyllosilicate minerals. 2. Phyllosilicates are characterized by a sheet-like silicate structure. Which of the statements given above is/are correct?

  1. AOnly 1
  2. BOnly 2
  3. CBoth 1 and 2Correct answer
  4. DNeither 1 nor 2
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Answer

C. Both 1 and 2

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Explanation

Phyllosilicates are sheet silicates built from linked silicate tetrahedra. Micas, chlorite, talc and serpentine belong to this structural family. Both statements are correct; the source’s further suggestion that all have identical softness or cleavage is unnecessary.

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