It is the least useful property in identifying minerals.

Which among the minerals is the hardest according to the Mohs' Scale of Hardness?

It refers to the group of minerals that is composed of silicon and oxygen.

It refers to a mineral’s ability to scratch another mineral or be scratched by another mineral.

They are minerals that are rare and can be cut and polished, giving them a beautiful appearance.

It is a type of rock that is from either magma or lava.

It is a type of rock that is from sediments, mud, clay or parts of previously living organisms.

It is a type of rock that formed due to heat and pressure.

What is the feature that is mostly observed among intrusive igneous rock?

Which process is involved when any type of rocks is transformed into sediments?

Which type of metamorphic rock shows visible bands or layers?

Obsidian formed when lava extruded from a volcano cools rapidly with minimal crystal growth. What type of igneous rock is obsidian?

Gypsum is made up of sulfate minerals and is formed by evaporating sea water. What type of sedimentary rock is gypsum?

According to Mohs' scale, quartz has a scale of 7 and orthoclase has a scale of 6. Which among the following statement is true?

Granite transform to gneiss due to heat and pressure. What type of rock is gneiss?

How does weathering and erosion differ from each other?

Pumice is an extrusive igneous rock. How did it formed?

It refers to the way light bounces off the surface of a mineral.

It refers to the series of processes that create and transform the types of rocks in Earth's crust.