M.Sc. DEGREE EXAMINATION, NOVEMBER 2017
First Semester
Applied Geology
MINERALOGY AND CRYSTALLOGRAPHY
(CBCS 2016 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all the questions.
Each question carries equal marks
1. Write notes on Isomorphism with an example.
2. Define polymorphism with an example.
3. Write notes on the Refractive Index.
4. Write notes on Isotropic minerals.
5. Distinguish between Beryl and Cordierite.
6. Write notes on Quartz group of minerals.
7. Write notes on interfacial angle of a crystal.
8. Define Enantiomorphism.
9. What are non-silicate minerals?
10. Write notes on symmetry elements of orthorhombic
system.
Sub. Code
464102
RW-911
2
Sp 6
Part B x 5 25)
Answer all the questions, choosing either or
11. Describe various physical properties of minerals.
Or
Give an account on the atomic substitution and
solid solution in minerals with examples.
12. Describe the measurement of interfacial angle with
Contact Goniometer.
Or
Distinguish between Birefringence and Extinction.
13. Describe the physical and optical properties of Mica
group of minerals.
Or
Distinguish physical, structural and optical
properties of different Amphibole minerals.
14. Enumerate the Weiss and Miller Indices and
Symbols.
Or
Explain the symmetry elements and crystal forms of
normal class of Cubic System.
15. Describe the different types of twinning with a note
on laws of twinning.
Or
Outline the physical and optical properties of
minerals in satellite multi spectral data.
RW-911
3
Sp 6
Part C x 10 30)
Answer any three questions.
16. Write an essay on the thermal magnetic and electrical
properties of minerals.
17. Explain the optical properties of Uniaxial and Biaxial
minerals.
18. Describe the physical properties, optical characters,
chemical composition and modes of occurrence of
Pyroxenes.
19. Give an account on the symmetry elements and forms of
normal class of Tetragonal System with examples.
20. Describe the symmetry elements and forms of normal
class of Monoclinic System.
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