Minerasl Lesson 1

The tendency of some minerals to break along smooth, flat surfaces

• Streak
• Luster
• Fracture
• cleavage

A mineral's resistance to being scratched

• Fracture
• Luster
• Cleavage
• Hardness

The way a surface reflects light

• Luster
• Cleavage
• Compound
• Streak

A scale that measures hardness of minerals

• pH Scale
• Mohs Scale
• Temperature Scale
• Celsius Scale

A naturally occurring, inorganic solid which has a definite crystalline structure

• Mineral
• Element
• Compound
• Rock

Dull, silky, waxy, pearly, and earthy are terms that best describe which property of minerals?

• luster
• color
• streak
• cleavage

Which of the following properties does the Mohs scale measure?

• Luster
• Hardness
• Density
• Streak

Physical properties of minerals include all of the following EXCEPT

• hardness
• color
• streak
• specific gravity

___________ is the color of powdered mineral.

• Luster
• Streak
• Fracture

_________ is how easily something can be scratched.

• specific gravity
• luster
• hardness