IIT JAM
Ishita das Asked an Mcq
January 21, 2021 12:58 pmpts 30 pts
  • IIT JAM
  • Geology (GG)

Coesite, a high pressure polymorph of quartz is found in rocks exposed on earth's surface because

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  • Sajan sarthak thankyou
    MAY BE OPTION D IS CORRECT BUT I FOUND MOST APPROPRIATE IS OPTION C ....BELOW IS A GRAPH OF QUARTZ POLYMORPH YOU CAN SEE THE PRESSURE AND TEMPERATURE RANGE MUST BE VERY MUCH HIGH I...
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  • Sajan sarthak Best Answer
    Coesite and stishovite have a higher density than the low pressure polymorphs, in particular stishovite, which has a specific density of 4.29 g/cm3. While Coesite is still made of ...
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    Ishita das
    didn't get why can't it be option d