Mineral Review

1. What is a mineral?

• A man-made substance
  

• A naturally occurring, inorganic solid with a definite chemical composition and an orderly arrangement of atoms or ions

• A liquid with a definite shape and volume

• A gas without a crystal form

How many minerals are there on Earth?

• Approximately 400
  

• Approximately 4,000

• Approximately 40,000

• Approximately 400,000

Which of the following is NOT a rock-forming mineral?

• Quartz
  

• Feldspar

• Olivine

• Diamond

What does it mean for a mineral to have a definite chemical composition?

• It is made up of two or more elements
  

• It is made up of only one element

• It is made up of a combination of several elements.

• It is made up of a specific ratio of elements

What determines the shape of a crystal?

• The size of the crystal
  

• The color of the crystal

• The internal arrangement of atoms or ions

• The type of minerals present in the crystal

What is the mineral commonly found in salt?

• Quartz
  

• Feldspar

• Halite

• Olivine

What is required for a solid to be considered a mineral?

• It must have a crystal form
  

• It must be made in a laboratory

• It must be a liquid or gas

• It must have a definite shape and volume

What is the process called when dissolved solids are left behind as water evaporates?

• Crystallization
  

• Dissolution

• Condensation

• Evaporation

Which elements are the most abundant in Earth's crust?

• Oxygen and silicon
  

• Iron and oxygen

• Sodium and chlorine

• Potassium and sulfur

What are the two main families of rock-forming minerals?

• Silicates and nonsilicates
  

• Quartz and feldspar

• Olivine and pyroxene

• Calcite and halite