Important questions for Viva

Define rock
Define mineral
What is a monomineralic  rock ? Give an example ?
What are the importance of conducting a megascopic study of minerals ?
Define color, lustre, hardness
List the minerals in the Moh's scale of hardness in the ascending order
Define specific gravity
Differentiate between cleavage and fracture
Differentiate between special property and diagnostic property
What is a primary mineral and secondary mineral
How are rocks grouped by color in geology
What are the components that define texture of the rock
On what factors does the degree of crystallinity depend