Do Not Write on Minerals physical properties

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

• 8 - 10
• 7 - 1
• 8
• unknown

Hardness of 7, conchoidal fracture, hexagonal crystals, and vitreous luster.

• calcite
• halite
• gypsum
• quartz

____________ 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

The color of the powdered form of a mineral found by rubbing a mineral against a black or white porcelain tile, is called...

• Luster
• Cleavage
• Streak
• Fracture

Which of the following is NOT part of the definition of a mineral?

• mixture 
• crystal structure
• inorganic
• solid

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

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

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

The softest minerals is__________

• Quartz
• Topaz
• Talc
• Amethyst

If a mineral does not break smoothly, and leaves an uneven surface, we call this...

• cleavage
• fracture
• hardness
• inorganic