Minerals Review

The way in which a mineral reflects light

• streak

• luster

• hardness

A naturally formed, inorganic solid that has a definite crystal structure

• Rock

• streak

• mineral

The manner in which a mineral breaks along curved or irregular surfaces

• streak

• cleavage

• fracture

A measure of the ability of a mineral to resist scratching

• hardness

• luster

• streak

The splitting of a mineral along smooth, flat surfaces

• fracture

• cleavage

• hardness

The color of the powder of a mineral

• hardness

• streak

• luster

When we tested minerals in class, we used a nail, a penny, and our fingernail to test the ___________________ of the mineral

• streak

• hardness

The _______________________ of a mineral can be metallic or nonmetallic.

• luster

• color

When testing the ________________________of a mineral, we can use the white or black plate and look at the color of the powder the mineral left behind.

• hardness

• streak

The scale that measures the hardness of a mineral

• Linear scale

• bathroom scale

• Moh's scale