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Optical mineralogy questions.

Optical mineralogy questions.

Find Optical mineralogy university examination questions in acaproso.com

# Question
1

How are opaque minerals studied in thin sections?


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2

Explain in brief the use of relative index and relief.


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3

Explain how ‘Becke’ test is done.


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4

Write short notes on the following

  1. Anisotropic minerals
  2. Uniaxial minerals
  3. Biaxial minerals

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5

Mention three types of extinction mentioning one mineral type in each


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6

Explain in brief  what you understand by the term Interference colours.


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7

Explain the meaning of dispersion.


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8

What is the use of universal stage.


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9

Briefly explain the use of index liquids.


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10

What is the use of the following parts of polarizing microscope

  1. Objective lens
  2. Auxiliary condensing lens
  3. Aperture diaphragm

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