Minerals

Which of the following is not a characteristic of minerals

• Naturally occurring

• Inorganic

• Liquid

• Definite chemical composition

• Crystalline structure

Which of the following is the largest group of rock-forming minerals?

• halide

• sulfates

• silicates

• oxides

We identify minerals based on their ____ properties.

• chemical

• physical

Which of the following is the LEAST useful in identifying a mineral?

• color

• streak

• hardness

• density

Which of the following cannot be used to identify a mineral?

• mass

• density

• hardness

• streak

What mineral property describes the color of the mineral in POWDERED form?

• luster

• streak

• hardness

• fracture

Which property of minerals might you test with a fingernail, penny, glass plate, and nail?

• streak

• luster

• attraction to magnets

• hardness

A mineral that breaks along smooth, flat surfaces with the same general shape is said to have _________.

• cleavage

• fracture

• magnetism

• gravity

A mineral that breaks at random with rough, jagged edges is said to have _________.

• cleavage

• fracture

• metallic luster

• nonmetallic luster

The following words describe which property of minerals?

glassy, dull, metallic, nonmetallic

• streak

• color

• specific gravity

• luster