Gurmeet singh Asked a Question
February 12, 2021 5:37 pmpts 30 pts
Which of the following indicatrix can be obtained if 2V 180° ? Uniaxial positive Uniaxial negative Biaxial positive Biaxial rnegative
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  • Sajan sarthak thankyou
    Uniaxial negative as 2v is either 0 or 180 in uniaxial mineral.
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    Gurmeet singh
    how negative postive decided?
  • Asif ali
    I think logic behind 2V 180° is to having only one optic axis which is only possible in Uniaxial minerals. Let's 2Va+2Vb = 180° ===> if one 2Va =0 then only one remaining 2V...
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