Minerals Review

A mineral sample scratches, fingernails (2.5), pennies (3.5) and glass (5.5) but does not scratch steel (6.5). What could be the hardness of the mineral?

• 4

• 5

• 6

• 7

Tags

NGSS.MS-PS1-2

Which of the following is not a characteristic of minerals?

• crystal structure

• made by man

• soild

• inorganic

Minerals are naturally occurring inorganic solids that possess an orderly internal structure and a definite chemical composition. This orderly internal structure or regular pattern is called its ________________.

• hardness

• crystal structure

• streak

• cleavage

Tags

NGSS.MS-PS1-1

The color of the power that a mineral leaves on a piece of white, unglazed porcelain is called the mineral's _______________.

• streak

• color

• hardness

• luster

Although cement, brick, steel, and glass all come from substances found in Earth' crust, they are NOT classified as minerals because___________

• they are too hard

• they have many uses

• they are not naturally occurring

• they have cool colors

Tags

NGSS.MS-PS1-3

How do you determine the hardness of a mineral.

• By conducting a streak test

• By observing its color

• by observing its luster

• by scratching it with different items

What is the most unreliable property to identify a mineral?

• streak

• color

• luster

• hardness

Which of the following definitions best describes a mineral?

• A substance that can be made in a factory that is solid and liquid.

• A naturally occurring, ingorganic, solid that has a crystal structure and chemical composition.

• A group of rocks

• A solid that can be burned.

Which mineral is the most resistant to scratching (hardest) and a 10 on the Mohs scale of hardness?

• diamond

• talc

• flourite

• gypsum

What is the softest mineral on Mohls Hardness Scale?

• flourite

• diamond

• talc

• gypsum