Optical mineralogy UE Past Papers Questions.


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(1845) Question Category: Short answers

Is it possible to observe wave retardation in Isotropic minerals? Why?

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(1846) Question Category: Short answers

Explain the meaning and cause of “Double Relief” in a mineral gram.

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(1847) Question Category: Short answers

Explain color changes in the four quadrants separated by isogyres of uniaxial positive mineral grain when inserting an accessory plate that is length fast.

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(1848) Question Category: Short answers

What are the main differences in terms of optical properties between Tetragonal and Orthorhombic minerals?

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(1849) Question Category: Short answers

What are the main differences in terms of optical properties between the following  mineral pairs

  1. Plagioclase and Quartz
  2. Biotite and Hornblende
  3. Garnet and Plagioclase
  4. Biotite and Muscovite

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