Minerals CHAPTER the BIG idea CHAPTER OUTLINE Minerals are basic building blocks of Earth. Minerals are all around us. 2.1 A mineral is identified by its.

Minerals

CHAPTER

the BIG ideathe BIG idea

CHAPTER OUTLINE

Minerals are basic building blocks of Earth.

Minerals are all around us.2.12.1

A mineral is identified by its properties.2.22.2

Minerals are valuable resources.2.32.3

NEW CHAPTER

VOCABULARY

KEY CONCEPT CHAPTER HOME

Minerals are all around us.2.12.1

SECTION OUTLINESECTION OUTLINE

element

mineral

crystal

A mineral has four

characteristics.

formed in nature

solid

crystal structure

cubic

VOCABULARY

KEY CONCEPT CHAPTER HOME

Minerals are all around us.2.12.1

SECTION OUTLINESECTION OUTLINE

element

mineral

crystal

A mineral has four

characteristics.

formed in nature

solid

crystal structure

definite chemical makeup

chlorine

sodium

halite

VOCABULARY

KEY CONCEPT CHAPTER HOME

streak

density

A mineral is identified by its properties.2.22.2

SECTIONOUTLINESECTIONOUTLINE

cleavage

fracture

luster

hardness

Mineral Properties wulfenite

color orange

streak white

luster nonmetallic

cleavage yes

density 6.9

hardness 3

VOCABULARY

KEY CONCEPT CHAPTER HOME

Minerals are valuable resources.2.32.3

SECTIONOUTLINESECTIONOUTLINE

Minerals have many uses.

Technology

Industry

Artscopper

magma

lava

ore

VOCABULARY

KEY CONCEPT CHAPTER HOME

Minerals are valuable resources.2.32.3

SECTIONOUTLINESECTIONOUTLINE

Methods of mineral formation within Earth and at the surface

Water evaporates.

Organisms form shells or bones.

Hot water cools.

Molten rock cools.

Heat and pressure cause changes.

magma

lava

ore

VOCABULARY

KEY CONCEPT CHAPTER HOME

I. Minerals are all around us.

A. Minerals have four characteristics.

B. Minerals are grouped according to composition.

2.12.1

KEY CONCEPTSUMMARYKEY CONCEPTSUMMARY

Minerals are all around us.

1. Formed in Nature

2. Solid

3. Definite Chemical Makeup

4. Crystal Structure

element

mineral

crystal

VOCABULARY

KEY CONCEPT CHAPTER HOME

2.22.2

KEY CONCEPTSUMMARYKEY CONCEPTSUMMARY

A mineral is identified by its properties.

II. A mineral is identified by its properties.

A. A mineral’s appearance helps identify it.

B. The way a mineral breaks helps identify it.

1. Density

2. Hardness

C. A mineral’s density and hardness help identify it.

streak

density

cleavage

fracture

luster

hardness

D. Some minerals have special properties.

1. Cleavage

2. Fracture

1. Color and Streak

2. Luster

VOCABULARY

KEY CONCEPT CHAPTER HOME

III. Minerals are valuable resources.

A. Minerals have many uses in industry.

1. Surface Mining

2. Deep Mining

B. Minerals have many uses in the arts.

2.32.3

KEY CONCEPTSUMMARYKEY CONCEPTSUMMARY

Minerals are valuable resources.

C. Minerals form in several ways.

magma

lava

ore

D. Many minerals are mined.