Properties of Minerals

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

• Cleavage
• Streak
• Luster
• Reflection

Tags

NGSS.MS-PS4-2

What is shown here?

• luster

• hardness

• cleavage

• streak

How much a mineral resists scratching is

• Streak
• Fracture
• Hardness
• Cleavage

_________ is when a mineral splits along flat surfaces.

• color
• cleavage
• fracture

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

• luster

• color

• streak

• cleavage

Hardness is a property that helps identify minerals. Scientists use a scale of 1-10 to show the hardness of a mineral. What number would be given to the hardest?

• 1
• 10
• 5
• 7

A ________ is a naturally occurring, inorganic, solid with a crystal structure and a definite chemical composition.

• mineral

• rock

• crystal

• fluorite

 If you drag a mineral across a streak plate and notice what color the streak is you are doing the ___________test.

• streak
• luster
• cleavage
• fracture

The least useful property when identifying minerals is _______________.

• streak
• luster
• color
• density

Two or more minerals make up a _______________.

• Tree

• Mineral

• Rock

• Desk

Tags

NGSS.MS-ESS2-2