IIT JAM
Anukruti Asked a Question
January 19, 2021 7:19 pmpts 30 pts
  • IIT JAM
  • Geology (GG)

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  • Saurabh thankyou
    It has to be orpiment. Orpiment shows total internal reflection due to (i) High refractive index, (ii) Very high birefringence. Some other minerals like Sphalerite, Cinnabar, Rutil...
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    Anukruti
    will it not be pyrite
  • Sajan sarthak Best Answer
    PYRITE MINERAL SHOWS TOTAL INTERNAL REFLECTION THAT IS DUE TO THE GREATER HARDNESS OF PYRITE AND INTERMINERAL BREAKAGE .. LIGHT ONCE ENTERS COLLIDES IN THE BROKEN PART AND INTERNAL...
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