minerals

Question 1

mineral

Answer 1

a naturally formed inorganic solid that has a definite crystalline structure

Question 2

element

Answer 2

a substance that cannot be separated or broken down into into simpler substances by chemical

Question 3

compound

Answer 3

a substance made up of atoms of two or more different elements joined by chemicals means

Question 4

crystal

Answer 4

a solid whose atoms,ions or molecules are arranged in a definite pattern

Question 5

luster

Answer 5

the way in which a mineral reflects light

Question 6

streak

Answer 6

the color of the powder of a mineral

Question 7

cleavage

Answer 7

the splitting of a mineral along smooth flat surfaces

Question 8

fracture

Answer 8

the manner in which mineral breaks along either curved or irregular surfaces

Question 9

rocks

Answer 9

a naturally occurring solid mixture of one ore more minerals or organic matter

Question 10

hardness

Answer 10

A measure of the ability of a mineral to resist scratching

Question 11

color

Answer 11

usually 1st characteristic noticed about a mineral, but not always reliable

Question 12

density

Answer 12

the ratio of mass of the substance to the volume of the substance

Question 13

ore

Answer 13

A natural material whose concentration of minerals is high enough for the material to be mined for a profit

Question 14

Metallic minerals

Answer 14

Shiny, good conductors of heat and electricity

Question 15

Nonmetallic minerals

Answer 15

Shiny or dull, good insulators of electricity

Question 16

gemstones

Answer 16

Some minerals are highly valuable for their beauty and rarity

Question 17

. Igneous rock

Answer 17

form when hot, molten rock crystallizes and solidifies. The melt originates deep within the Earth near active

Question 18

Sedimentary rock

Answer 18

Sedimentary rocks are one of three main types of rocks, along with igneous and metamorphic. They are formed on or near the Earth’s surface