B.Sc. DEGREE EXAMINATION, NOVEMBER 2017
Third Semester
Geology
MINERALOGY
(CBCS 2014 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
1. What is mineralogy?
2. What is dimorphism?
3. Define physical properties of feldspathoidgroup mineral.
4. Write any four significant points about the mode of
occurrence of Albite.
5. Define Mica plate.
6. Write the chemical composition of Wollastonite and
Rhodonite.
7. Write the members of Pyroxene group.
8. What are the optical properties of Garnet?
9. Write the members of Olivine with composition.
10. Write the physical properties of Cordierite.
Sub. Code
4BGE3C2
AFF-4478
2
Ws1
Part B x 5 25)
Answer all questions by choosing either or
11. Write note on Paramorphism and Pseudomorphism
with examples.
Or
Write note on molecular and empirical formula of
minerals.
12. Write short note on Silicate structure.
Or
Give account on feldspar group.
13. Describe Mica group?
Or
Give brief account on scapolite group.
14. Give short account on physical and optical
properties of amphibole group.
Or
Write note on mode of occurrence and uses of
Pyroxene group of minerals.
15. Write short note on the physical and optical
properties of Epidote.
Or
Describe about chemical composition and mode of
occurrence of magnesite.
AFF-4478
3
Ws1
Part C x 10 30)
Answer any three questions.
16. Write in detail about determination of physical properties
of minerals.
17. Write an essay about construction and uses of Nicol
prism with neat sketches.
18. Write an essay on Quartz group.
19. Write a detailed essay on physical and optical properties,
members and their composition, mode of occurrence of
garnet group of minerals.
20. Write note on the following minerals:
Beryl
Kyanite
Topaz
Fluorite.
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