Pallavi posted an Question
January 08, 2020 • 05:46 am 15 points
  • CSIR NET
  • Earth Sciences

How to identify minerals from cross lines

how to identify minerals from cross lines...i cnt understand the question itself.

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    Eduncle Best Answer

    Dear Pallavi,

    Greetings!!

    Refer the attached image for solution.

    Thank you for asking your query.

    EESS.JPG
  • Saumyodeep das

    According to optic sign the mineral pair should be Uniaxial (-) hence on this basis Tourmaline and apatite are the correct pair of mineral which shows such property.

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