Mineral Properties

What does vitreous luster mean?

• The mineral sample is transparent
• The mineral must be colorless
• The mineral is shiny
• Light reflects off the surface like glass

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 - 10
• 7 - 1
• 8
• unknown

Which property of minerals does the photo represent?

• fracture
• streak
• habit
• cleavage

Which mineral property is being shown here?

• luster
• hardness
• cleavage
• streak

____________ is determined by scratching a mineral with other minerals.

• fracture
• hardness
• streak
• abrasion factor

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.

• Luster
• Streak
• Hardness
• Color

The following image shows what mineral property?

• Hardness
• Streak
• Cleavage
• None of the above