Minerals Notes Check

A mineral can be a (select all that apply)

• Liquid

• Solid

• Gas

What is a mineral?

• magma that escapes through an opening in the Earth's surface

• small, broken up pieces of rock

• the remains of an animal that lived in the past

• a solid, nonliving material found in nature

How can the streak of a mineral be tested?

• Rub it across a tile to see the color of the powder it leaves.

• Rub it against different things to see how easily it can be scratched.

• Break it to see if the pieces are cubes or sheets.

• Shine a bright light on it to see how its surface reflects light.

What property of minerals is measured by scratching the surface of the mineral?

• magnestism

• hardness

• color

• luster

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

• luster
• streak
• cleavage
• fracture

Why is coal not a mineral?

• It's not a solid
• It is man-made
• It is not inorganic
• It is made of carbon

Diamond has a hardness of ___ on Mohs Hardness Scale.

• 1
• 5
• 8
• 10

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

• luster
• color
• streak
• cleavage

By definition, a mineral has which of the following characteristic(s)?

• definite chemical composition
• crystal structure
• naturally occuring
• all of the above

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

• density
• streak
• mineral
• non silicate mineral