Minerals Review -Quizs

What does the streak property of a mineral refer to? Fill in the blank: Streak is the color of mineral in ______ form (usually a different color than the mineral).

• powder

• liquid

• crystal

• solid

Graphite is used to make pencils.

• True

• False

What is a mineral? Fill in the blank: A mineral is a solid, inorganic (never living) substance that has a crystal structure and forms naturally by geologic processes.

• A solid, inorganic (never living) substance that has a crystal structure and forms naturally by geologic processes.

• A liquid, organic substance that is created by living organisms.

• A gas, inorganic substance that is artificially produced in laboratories.

• A solid, organic substance that forms from decaying plants and animals.

What does luster describe in a mineral?

• How it reflects light

• How hard it is

• Its chemical composition

• Its melting point

What is the color property of a mineral? Fill in the blank: Color can be ______ or many colors.

• one

• bright

• shiny

• dull

What is fracture in minerals? Fill in the blank: Fracture is the tendency to break into ______, rough pieces.

• jagged

• smooth

• flat

• curved

What is the hardest mineral on the Mohs scale of mineral hardness?

• Diamond

• Quartz

• Talc

• Gypsum

Certain minerals are needed by our bodies to be healthy.

• True

• False

What is the definition of a mineral?

• A naturally occurring, inorganic solid with a definite chemical composition and an ordered atomic arrangement.

• A synthetic substance created in laboratories.

• A liquid with a variable chemical composition.

• A naturally occurring organic compound.

What is the softest mineral on the Mohs scale of mineral hardness?

• Talc

• Quartz

• Gypsum

• Calcite