Minerals

Question 1

Egyptian blue is a mixture of

Answer 1

Quarts, lime, calcium copper silicate

Question 2

Kohl (black) is made from

Answer 2

soot + galena (lead sulfide)

Question 3

Ochre (red, orange…) is made from

Answer 3

Iron oxides

Question 4

What are three edible minerals?

Answer 4

Calcite, Halite, Sylvite

Question 5

How many critical minerals are there for the US

Answer 5

17

Question 6

A mineral reserve is

Answer 6

That portion (obviously known) that can be extracted economically today.

Question 7

A mineral resource is

Answer 7

Total amount (known or unknown) that can be extracted form the earth

Question 8

The chemical composition of Calcite is

Answer 8

CaC03

Question 9

What is the earth mostly made up of?

Answer 9

hydrogen and helium

Question 10

What is a mineral?

Question 11

What are minerals used for?

Answer 11

Minerals are used for cosmetics, foods, industrial materials, household products, jewelry, etc.

Question 12

Are there any edible minerals? What are their names and formulas?

Answer 12

Calcite (CaCO3)

Halite (NaCl)

Sylvite (KCl)

Question 13

What are the names (and formulas, if applicable) of some useful rocks and the minerals from which their made? What are their uses?

Answer 13

Limestone (CaCO3) ; Road Gravel

Bauxite Ore (Al2O3.3H2O) ; Aluminum

Fluorite (CaF2) ; Sodium fluoride

Graphite (KC8) ; Bricks, batteries

Question 14

Compare and contrast mineral reserves and resources. Is a measure of the volume of coal presently in the lithosphere of the Earth a resource or a reserve?

Answer 14

A mineral resource is the total amount that can be extracted from the Earth, and a mineral reserve is that portion that can be extracted economically today.

It is a resource, because it applies to ALL coal in the Earth.

Question 15

What are some critical minerals for which the U.S. imports nearly 100% of its needs?

Answer 15

Bauxite, Columbium, Graphite, Manganese

Question 16

What is the hierarchical order of the following – molecules, rocks, atoms, and minerals?

Answer 16

Atom>molecule>mineral>rock

Question 17

How do rocks and minerals differ? In what ways are rocks and minerals similar?

Answer 17

Rocks are aggregates of 1 or more minerals and minerals are crystaline aggregates of 2 or more molecules. Rocks and minerals are both made up of atoms and molecules.

Question 18

What rock is not made of any minerals?

Answer 18

None

Question 19

Analogy

Rock is to mineral as ________ is to brick.

Answer 19

Brick wall

Question 20

What are the internal layers of the Earth?

Answer 20

Crust, Mantle, Inner Core, Outer Core

Question 21

What are the elements that comprise a majority of the Earth’s crust?

Answer 21

Iron, oxygen, silicon, and magnesium

Question 22

What minerals make up the interior layers of the Earth?

Answer 22

Mantle - iron and magnesium

Core - iron nickel alloy

Question 23

Which mineral is a major component of Earth’s mantle?

Answer 23

Silicate minerals

Question 24

Name one or two examples and write its formula in each of the major silicate and non-silicate groups.