Anukruti posted an Question
September 27, 2020 • 01:03 am 30 points
  • IIT JAM
  • Geology (GG)

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    Rahul kumar best-answer

    Answer: 0.2 General formula of Pyroxene contains 2.0 tetrahedral cations. Here in the given formula Si is already occupying 1.8 of total 2.0 tetrahedral sites. So, the tetrahedral sites occupied by Al is 2.0-1.8= 0.2

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