Solapur-University-M.Sc-Applied-Geology -(Semester-I)-2019-On Mineralogy & Optics
| Sr. No. | Questions with multiple options |
| 1. | In Moh’s scale of hardness topaz represents hardness _______
(a) 6 (b) 7 (c) 8 (d) 9 |
| 2. | The minerals crystallizing in hexagonal system are ______
(a) Biaxial (b) Uniaxial (c) Isotropic (d) None of these |
| 3. | The angle between the two optical axes is _____ angle.
(a) 2V (b) Extinction (c) Facial (d) None of above |
| 4. | Which of the following mineral is polymorph of calcite?
(a) Hematite (b) Pyrite (c) Aragonite (d) Bronzite |
| 5. | Which of the following mineral exhibits parallel extinction?
(a) Augite (b) Quartz (c) Chlorite (d) Micorline |
| 6. | Monticellite has a chemical formula ____
(a) CaMgSiO4 (b) CaFesiO4 (c) CaMnSiO4 (d) Mn2SiO4 |
| 7. | Fibrolite is a firbrous variety ________
(a) Andalusite (b) Montmorillonite (c) Sillimanite (d) Kyanite |
| 8. | Garnets has the general formula ______
(a) A3B2(SiO4)3 (b) A3b4(SiO4)3 (c) A2B2(SiO4)3 (d) None of the above |
| 9. | Zoicite crystallizes in _____
(a) Monoclinic (b) Triclinic (c) Orthorhombic (d) None of above |
| 10. | Alkali feldspar has a _____extenction.
(a) Straight (b) Oblique (c) Both of above (d) None of these |
| 11. | Monoclinic pyroxenes have two sets of cleavages at ______ and ______ degrees
(a) 56, 124 (b) 87, 93 (c) 80, 120 (d) None of above |
| 12. | Diamond primarily occurs in _________
(a) Basalt (b) Kimberlite (c) Pegmatite (d) Granites |
| 13. | Hastingsite is an ______
(a) Amphibole (b) Epidote (c) Zeolites (d) Gemstone |
| 14. | Mica group of minerals are having ___ structure.
(a) Nesosilicate (b) Tectosilicate (c) Phylosilicate cyslosilicate |
| Data Collected By – K. Jeyanthi | |
| Published On – 29th Oct 2021 | |
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