Properties of Minerals

Which of the following must be true for a substance to be considered a mineral?

• It must be organic
• It must be glassy
• It must be a gem
• It must be naturally occurring

If a mineral can scratch topaz what is it's hardness range?

• 8.5 - 10

• 7.5 - 1

• 8

• unknown

Which mineral property is being shown here?

• Luster

• Hardness

• Cleavage

• Streak

The tendency for a mineral to split along specific planes of weakness to form, smooth flat surfaces is called...

• Cleavage
• Fracture
• Crystallization
• Habit

What is the scale that is used to indicate hardness of a mineral?

• Red Scale
• Moh's scale
• Einstein's Scale
• Fracture Scale

______ is the way a mineral reflects light from its surface.

• Luster

• Streak

• Hardness

• Color

Tags

NGSS.MS-PS4-2

A naturally formed, inorganic solid with a crystalline structure

• Density

• Streak

• Mineral

• Non silicate mineral

When a mineral breaks apart in an irregular way with rough or jagged edges, it is called

• Cleavage

• Fracture

• Hardness

• Streak

___ is the structure that is based on the number and angle of the faces.

• Crystal form

• Density

• Hardness

• Streak

A shiny material is described as having a __________________ luster

• Metallic

• Nonmetallic