Chapter 26

Question 1

a naturally occurring inorganic solid with a crystalline form

Answer 1

Mineral

Question 2

the color of a mineral in powdered form

Answer 2

Streak

Question 3

when a mineral breaks along prefered planes of weakness creating sets of smooth parallel sides

Answer 3

Cleavage

Question 4

minerals that break unevenly

Answer 4

Fracture

Question 5

the physical property that measures a minerals resistance to scratching

Answer 5

Hardness

Question 6

molten rock material inside Earth

Answer 6

magma

Question 7

What is a mineral?

Answer 7

A mineral is naturally occuring, crystaline form, inorganic solid

Question 8

What are the two most adundant elements that make up Earth’s crust?

Answer 8

oxygen and silicon

Question 9

What does inorganic mean?

Answer 9

materials that are nonliving

Question 10

What does the arrangement of an atom and the bonds between them reflect about a mineral?

Answer 10

the ways the mineral breaks, how hard the mineral is, and type of crystal shape it has

Question 11

What are all of the ways to identify minerals?

Answer 11

Luster, streak, hardness, crystal shape, atomic arrangement, cleavage, fracture

Question 12

What are the two types of luster?

Answer 12

nonmetallic and metallic

Question 13

How does metallic luster reflect light?

Answer 13

reflects very easily like metal

Question 14

How does nonmetallic luster reflect light?

Answer 14

not easily and is like a waxy

Question 15

How do you perform a streak test?

Answer 15

rubbing a mineral on a unglazed porcelain tile

Question 16

What are the two types of breakage that can happen to minerals?

Answer 16

cleavage and fracture

Question 17

What is the name of the scale to measure the hardness of a mineral?

Answer 17

Mohs Scale of hardness

Question 18

What is the number range on Mohs scale of hardness?

Answer 18

1-10

Question 19

How many different crystal shape systems are there?

Answer 19

6

Question 20

Mineral grow from what?

Answer 20

Starts from inside and goes outside

Question 21

What are the 3 ways minerals can form?

Answer 21

water vapor, magma cooling, and evaporation

Question 22

What are the 2 mineral groups?

Answer 22

Silicates and Nonsilicates

Question 23

Which mineral group is the most abundant in Earth’s crust?

Answer 23

Silicates

Question 24

What elements are Silicates made up from?

Answer 24

oxygen and silicon

Question 25

Nonsilicates do not contain what element?

Answer 25

silicon

Question 26

what mineral is used to make glass

Answer 26

quartz