Minerals

How a mineral reflects light from its surface

• crystal
• luster
• streak
• refraction

Tags

NGSS.MS-PS4-2

How a mineral splits apart when it does not break evenly:

• streak
• hardness
• cleavage
• fracture

Tags

NGSS.MS-PS1-1

The color of a minerals powder

• luster
• streak
• hardness
• texture

A ranking of a minerals from softest to hardest

• streak test
• luster test
• Mohs hardness scale
• fracture

Tags

NGSS.MS-PS1-2

The hardest mineral on the Mohs Hardness scale

• Talc
• Obsidian
• Diamond
• Quartz

Tags

NGSS.MS-PS1-1

The softest mineral on the Mohs Hardness scale

• Gypsum
• Talc
• Diamond
• Feldspar

Minerals are inorganic which means that

• they were once parts of living things.
• renewable
• they were never part of anything living.
• they are nonrenewable

The tendency of a mineral to break along smooth, flat surfaces.

• Cleavage
• Fracture
• Hardness
• Streak

A mineral can be scratched by gypsum and quartz.

What is the hardness range?



• 1-2

• 2-7

• 2-10

• 7-10

A mineral could be scratched by topaz but NOT by fluorite.

What is the hardness range?

• 1-4

• 4-8

• 4-10

• 8-10

Tags

NGSS.MS-PS1-2