minerals earth science

Question 1

electroplanting

Answer 1

a practical way to extract to extract aluminum from bauxite.

Question 2

mineral

Answer 2

naturaly occuring inorganic crystalline solid that has a definite chemical composition.

Question 3

ores

Answer 3

rocks that contain certain valuable minerals.

Question 4

compound minerals

Answer 4

pure substances. compunds

Question 5

minerologists

Answer 5

someone who studies and classifies minerals.

Question 6

streak

Answer 6

scraping a mineral on a porcelain plate and the powder that is left behind is used to classify mineral.

Question 7

luster

Answer 7

amount and quality of light it reflects from it’s surface.

Question 8

fracture

Answer 8

how a mineral breaks. does it break in sheets?

Question 9

Moths scale

Answer 9

rates hardness of minerals in comparison to each other.

Question 10

acid test

Answer 10

placing a drop of acid on mineral. if mineral fizzes and and put of grass then minerologists can narrow down what mineral it could be.

Question 11

radioactivity

Answer 11

some of the their atomic nuclei change by giving off particles and rays.

Question 12

luminescence

Answer 12

minerals that glow but are not hot. they don’t glow oon their own.

Question 13

carat

Answer 13

unit of mass for gemstone

Question 14

native minerals

Answer 14

minerals in their pure state in matter

Question 15

veins

Answer 15

cracks in rocks

Question 16

diamons

Answer 16

formed of pure carbon

Question 17

diamond pipes

Answer 17

where diamonds are mined

Question 18

carat

Answer 18

what the size of a stone is measured in.

Question 19

silicates

Answer 19

make up about 25% of all known minerals and about 40% of of the common ores

Question 20

Quartz

Answer 20

second most common is a pure silicate

Question 21

oxides

Answer 21

minerals made of oxygen and some other elements

Question 22

sulfides

Answer 22

minerals made up of one or more metals

Question 23

carbonates

Answer 23

minerals containing one or more metal ions and the carbonate ion.

Question 24

halides

Answer 24

mineral salt compounds.