Chapter 4 Vocabulary

When a mineral breaks in to pieces with arclike, rough, or jagged edges is called a(n)________________________.

• streak

• fracture

• luster

• cleavage

What is a solid in which atoms are arranged in repeating patterns?

• ore

• gem

• crystal

• mineral

What is a measure of how easily a mineral can be scratched, which is determine by the arrangement of a mineral's atoms

• hardness

• luster

• streak

• cleavage

What is the ratio of the mass of substance to the mass of an equal volume of H20 at 4 degrees Celsius?

• Ore

• Mineral

• specific gravity

• luster

What is a naturally occurring, inorganic solid with a specific chemical composition and a definite crystalline structure?

• ore

• gem

• crystal

• mineral

What is a mineral that contains silicone, oxygen, and usually one or more other elements?

• ore

• silicate

• gem

• crystal

What is a mineral or rock that contains a valuable substance that can be mined at a profit?

• ore

• mineral

• luster

• crystal

What is the way that mineral reflects light from its surface?

• Luster

• Hardness

• Streak

• Cleavage

What is the manner in which a mineral breaks along places where atomic bonding is weak?

• fracture

• cleavage

• hardness

• luster

What is a color a mineral leaves when it is rubbed across an unglazed porcelain plate or when it is broken up and powdered?

• luster

• hardness

• fracture

• streak