Minerals 2019

The largest group of minerals are the ...

• silicates.

• carbonates.

• oxides.

• sulfides.

The softest known mineral is...

• Gypsum.

• Diamond.

• Quartz.

• Talc.

Minerals always exist in form.

• liquid

• gas

• solid

The most abundant elements in earth's crust are ...

• silicon and iron

• iron and magnesium

• oxygen and silicon

• oxygen and nitrogen

Silver, copper, and gold all have dark shiny surfaces and are said to have .

• metallic luster

• dull luster

• non-metallic luster

• no luster

Ores near the surface are generally obtained from .

• underground mining

• blast mining

• open-pit mining

Sugar is a mineral.

• true

• false

Minerals form from ...

• magma

• solutions

• the evaporation of water

• all of the above

The term crystal refers to the patterns that form in a crystal.

• minerals

• atoms

• bonds

Evaporites from when water evaporates.

• true

• false