Question

Gypsum and anhydrite belong to carbonates group

Select one:

a. Both A and C

b. True

c. False

d. I don't know

Oxide minerals are exploited as economic sources of many elements

Select one:

a. All of above stated in a, b and c.

b. iron

c. uranium

d. manganese

While of the following mineral look like gold

Select one:

a. pyrite

b. magnetite

c. hematite

d. All of above stated in a, b and c.

The hardness number of quartz is

Select one:

a. 7

b. 4

c. 9

d. 3

Which of the following minerals will stick with magnetic pen

Select one:

a. hematite

b. limonite

c. magnetite

d. goerthite

The no-silicate minerals are 10% of the crust layer

Select one:

a. True

b. False

c. Both A and B

d. I don't know

Calcite is also known as

Select one:

a. Calcium Carbonate

b. Iron Carbonate

c. None of above as stated in a, b and c.

d. Zinc Carbonate

The specific gravity of quartz and native gold is the equal

Select one:

a. I don't know

b. false

c. true

d. Both A and B

Calcite is a

Select one:

a. Silicate mineral

b. an Igneous rock

c. Non-silicate mineral

d. Sedimentary rock

The slope of the tetrahedral pyramids helps to determine the cleavage angle of the pyroxenes at nearly

Select one:

a. 70 Degree

b. 90 Degree

c. 60 Degree

d. 80 Degree

Answer 1