Anukruti Asked an Mcq
January 17, 2021 10:54 pmpts 30 pts
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  • Saurabh shukla thankyou
    It has to be Cordierite, not biotite as in case of biotite black haloes is more pronounced. These haloes are attributed to the phenomenon of absorption of light.
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  • Sajan sarthak Best Answer
    IN CORDIERITE THE YELLOW PLEOCHORIC HALOS CAN BE SEEN, WHERE AS IN BIOTITE ITS BLACK IN COLOUR.
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