Mineral Identification

When a mineral breaks along rough, jagged surfaces it's called

• fracture

• cleavage

• hardness

• streak

#1 on the Mohs Hardness Scale and also used in baby powder.

• halite

• talc

• graphite

• gypsum

The measure of how easily a mineral can be scratched.

• streak

• color

• luster

• hardness

The way that a mineral reflects light. It can be metallic or non-metallic.

• streak

• hardness

• fracture

• luster

The color left by a mineral in its powdered form.

• streak

• density

• hardness

• smudge

What equipment would you need to do a mineral streak test?

• a long pointed iron rod

• a rough white ceramic tile

• a disposable sample of talc

• a low powered microscope

What is the number of the most easily scratched mineral on the Mohs Hardness Scale?

• 1

• 4

• 7

• 10

This mineral is the softest mineral (1) and has a soapy feel.

• Gypsum

• Graphite

• Halite

• Talc

Guess the Mineral!

This mineral is the hardest naturally occurring mineral. It is most often used in jewelry but can also be used on the tips of saw blades. What is the name of the mineral?

• Fluorite.

• Talc.

• Diamond.

• Sulfur.

How light reflects off of a mineral is called the mineral's 

• luster
• streak
• cleavage
• fracture

Tags

NGSS.MS-PS4-2