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Vaibhav Singh posted an Question
August 13, 2021 • 16:39 pm 30 points
  • IIT JAM
  • Geology (GG)

Tulane says tetrahedron is found in bar43m class. but in nesse,tetrahedron is given present in both 23 and bar43m class.

see attachment of Nesse ..abnslwvwobqnzls ka xksnxbksbsmskbdksndlxbjslsbdmlsnsklabsiwjw ndkdmanslnsms

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  • Mayank Mishra Best Answer

    Tetrahedron can be found in tetratoidal 23 and hextetrahedral bar43m both. In Nesse, the point group classification has been done on a deeper level, for each crystal system but in Tulane, the most common ones are given. Like Tetrahedron occurs most commonly in hextetrahedral but also occurs in tetratoidal. Both options must be remembered. I hope you got it now. Thanks and Regards.

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