minerals

Question 1

characteristic

Answer 1

property or trait

Question 2

mineral

Answer 2

substances formed naturally in Earth

Question 3

rock

Answer 3

made of minerals

Question 4

5 rules

Answer 4

occurred in the nature inorganic solid forms crystal definite chemical composition

Question 5

color

Answer 5

颜色

Question 6

streak

Answer 6

mineral’s power’s color

Question 7

luster

Answer 7

how it reflects light

Question 8

density

Answer 8

d=m/v

Question 9

cleavage

Answer 9

break along flat surface

Question 10

fracture

Answer 10

break in irregular way

Question 11

crystal system

Answer 11

crystal’s particular structure

Question 12

hardness

Answer 12

Mohs hardness scale

Question 13

magnetism

Answer 13

有磁性

Question 14

glow under ultraviolet light

Answer 14

荧光

Question 15

crystallization

Answer 15

particles dissolved in a liquid or melt, then solidify to form crystals.

Question 16

crystallize liquid

Answer 16

hot or cold

Question 17

when is crystallization formed

Answer 17

when elements &compounds dissolve =solution =crystallization

Question 18

gemstone

Answer 18

hard colorful brilliant or glassy luster

Question 19

gem

Answer 19

cut and polished gemstone

Question 20

metals

Answer 20

aluminum iron copper silver

Question 21

ore

Answer 21

rock contains useful metals that can be mined & sold

Question 22

geode

Answer 22

rounded, hollow, line with mineral crystals, for decorations and jewelry