Vocabulary - Minerals and Gemstones

The color of a mineral in powder form is called the mineral's 

• hardness
• specific gravity
• luster
• streak

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

• luster
• streak
• cleavage
• fracture

The following image shows what mineral property?

• Hardness
• Streak
• Cleavage
• Density

How do you test the hardness of a mineral? 

• Throw it against a wall
• Step on it
• Scratch Test
• Kick it until it breaks

A naturally occurring, inorganic solid with a crystal structure and a definite chemical composition is referring to

• density
• streak
• mineral
• non silicate mineral

The solid, geometric form of a mineral produced by a repeating pattern of atoms

• crystal
• density
• element
• fracture 

Hardness:

• It’s the ability of some minerals to break in geometric shapes

• It's the stripe colour of a mineral

• It's a measure of a mineral’s resistance to being scratched

• None of the answers is correct

Which mineral property is being shown here?

• luster
• cleavage
• streak
• fracture

If you look at a mineral and decide if it is metallic or nonmetallic, shiny, dull, glassy, how it reflects light -you are looking at its __________.

• luster
• cleavage
• fracture
• streak

The splitting of a mineral along smooth, flat surfaces

• fracture

• cleavage

• hardness