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Question 1

what are rocks composed of

Answer 1

minerals

Question 2

what are minerals composed of

Answer 2

elements

Question 3

where do minerals result from

Answer 3

temperature and pressure

Question 4

study of rocks

Answer 4

pertrology

Question 5

study of minerals

Answer 5

mineralogy

Question 6

minerals are building blocks of rocks for about how many percent

Answer 6

90

Question 7

characteristics of minerals

Answer 7

occur naturally, homogeneous solid, inorganic, definite chemical composition, orderly internal structure

Question 8

who proposed the system of mineralogy

Answer 8

James Dwight Dana

Question 9

Dana’s system of mineralogy

Answer 9

chemical composition, mineral properties, crystal structure

Question 10

composition of mineral 8

Answer 10

silicate, oxide, sulfide, sulfate, halide, phosphate, native elements, carbonate

Question 11

7 mineral properties

Answer 11

hardness, streak, density, crystal form, color, luster, cleavage or fracture

Question 12

color of minerals

Answer 12

color

Question 13

color of mineral in powered form

Answer 13

streak

Question 14

mineralogists scratch minerals on glass

Answer 14

hardness

Question 15

glow of minerals

Answer 15

luster

Question 16

predictable breakage

Answer 16

cleavage

Question 17

unpredictable breakage

Answer 17

fracture

Question 18

unit of mass over volume

Answer 18

density

Question 19

arrangements of atoms, molecules or ions

Answer 19

crystal form

Question 20

crystalline structure

Answer 20

halite, tourmaline, azurite

Question 21

cubic form

Answer 21

halite

Question 22

prismatic form

Answer 22

tourmaline

Question 23

amorphous form

Answer 23

azurite

Question 24

exernal shape displayed by an individual crystal

Answer 24

crystal habit

Question 25

relative density

Answer 25

specific gravity