Optical mineralogy UE Past Papers Questions.


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(1810) Question Category: Short answers

Discuss the procedures for measuring extinction angle.

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(1811) Question Category: Long answers

Briefly outline the descriptive features commonly used in mineral identification under the microscope.

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(1812) Question Category: Long answers

Discuss in detail five silica minerals and their characteristics under the microscope.

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(1813) Question Category: Long answers

Explain how phase difference and retardation lead to the formation of interference colors in anisotropic minerals.

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(1814) Question Category: Long answers

What is the main differences in optical properties of the following minerals

  1. Biotite and Hornblende
  2. Garnet and Quartz
  3. Tremolite and muscovite

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