chapter 26.1

Question 1

Mineral

Answer 1

is a naturally occurring inorganic solid with a crystalline form

Question 2

streak

Answer 2

the color of a mineral in powdered form is called streak

Question 3

cleavage

Answer 3

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

Question 4

fracture

Answer 4

minerals that break with irregular surfaces exhibit

Question 5

hardness

Answer 5

the physical property that measures a minerals resistance to scratching

Question 6

magma

Answer 6

molten rock material inside earth is called magma

Question 7

a mineral is

Answer 7

a naturally occurring, inorganic solid, with a crystalline

form.

Question 8

what are the two most abundant elements that make up earths 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 way a mineral breaks
how hard it is
what type of crystal shape it has

Question 11

what are all of the ways to identify minerals?

Answer 11

luster
streak
hardness
atomic arrangement

Question 11

what are the two types of luster?

Answer 11

metallic

nonmetallic

Question 12

how does metallic luster reflect light?

Answer 12

very easily like chrome on a car

Question 13

how does nonmetallic luster reflect light?

Answer 13

like glass or earthy\waxy look

Question 14

how do you perform a streak test?

Answer 14

rubbing a mineral on an unglazed porcelain tile

Question 15

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

Answer 15

cleavage or fracture

Question 16

what is the name of scale to measure the hardness of mineral?

Answer 16

mohs scale of hardness

Question 17

what is the number range on mohs scale hardness?

Answer 17

1-10

Question 18

how many different crystal shape systems are there?

Answer 18

6

Question 19

minerals grow from the

Answer 19

inside-out

Question 20

what are the 3 ways minerals can form?

Answer 20

hot water
molten rock
evaporation

Question 21

what are the two mineral group?

Answer 21

silicates and nonsiicates

Question 22

which mineral group the most abundant in earths crust?

Answer 22

silicates

Question 23

what elements are silicates made up of?

Answer 23

silicon and oxygen

Question 24

non silicates do not contain what element?

Answer 24

silicon

Question 25

what mineral is used to make glass?

Answer 25

quarts and rocks