Minerals in General Science : Practice MCQ Questions & Answers with Explanations

A narrow channel or slab of a mineral that is different from the surrounding rock is called a

Although brick, steel, and glass all come from substances found in Earths crust, they are NOT classified as minerals because

What do metal tools and machinery, the metal filament in a light bulb, and steel girders used to frame an office building all have in common?

What is the hardest known mineral?

When steelmakers add chromium and nickel to iron, the result is

Which type of mine often has a network of tunnels that extend deep into the ground, following the veins of ore?

Which type of mine would be used to remove ore deposits in a vein?

The color of a minerals powder is called its

If you broke a mineral into tiny pieces, each piece would

Steelmakers add other elements to iron to make

Miners use earthmoving equipment to dig a huge hole in the process of

Magma that cools very slowly deep beneath the surface forms minerals with what type of crystals?

What substance that is rich in carbon is mixed with iron ore in the process of smelting?

Which is NOT a factor that affects the size of mineral crystals formed in magma?

The softest mineral on the Mohs hardness scale is

A rock that contains a metal or other useful mineral that can be mined and sold at a profit is called a(n)

Minerals may form on Earths surface when

The crystals inside a geode are formed when

Which term refers to anyone who searches for an ore deposit?

What is a solid mixture of two or more elements, at least one of which is a metal?