UIL-Minerals & Rock Cycle

Characteristics that can be observed or measured.

• physical properties

• density

• luster

• breakage

The way a surface (of a mineral) reflect light. Either metallic or nonmetallic:

• Cleavage
• Streak
• Luster
• Reflection

What is shown here?

• luster

• hardness

• cleavage

• streak

_________ is when a mineral splits along flat surfaces.

• color
• cleavage
• fracture

___________ breaks in irregular or with jagged edges.

• properties
• hardness
• cleavage
• fracture

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

• luster

• color

• streak

• cleavage

Which indicator would not be good as the only indicator when identifying a mineral?

• Color

• Breaking Pattern

• Specific Gravity

• Hardness

____________ is determined by scratching a mineral with other minerals.

• fracture
• hardness
• streak
• abrasion factor

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

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

A naturally formed, inorganic solid with a crystalline structure 

• density
• streak
• mineral
• non silicate mineral