Mineral Identification BP

Which of the following is a chemical property of a mineral?

• hardness

• luster

• atomic structure

• color

What can you infer about graphite from the fact that you can scratch it with just your fingernail?

• It's not very lustrous.

• It's not very hard.

• Its streak is black-colored.

• It has fracture.

Which of the following minerals has a metallic luster?

• 
• 
• 
• 

What word describes the material involved in a streak test?

• Fractured

• Powdered

• Scratched

• Liquid

What tool would you need discover whether a mineral has fracture?

• A hammer

• A file

• A grinder

• A harder mineral

Which mineral is ranked highest on the Mohs scale?

• talc

• calcite

• quartz

• diamond

Which physical property requires no tools, scales, or other equipment to determine?

• hardness

• fracture

• color

• cleavage

Why do you need to run several tests before you can identify a mineral with 100 percent certainty?

• Minerals all have the same chemical structure

• Many minerals share physical properties in common

• Minerals' physical properties can change very quickly

• A mineral can only be subjected to a few tests before it degrades

What property of a mineral indicates that it has cleavage?

• A milky-white color

• The ability to be scratched by a steel file

• The fact that it sizzles in the presence of hydrochloric acid

• Smooth faces

What term best describes the way minerals are identified?

• guesswork

• gimmick

• procedure

• trick