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What is "fool's gold" made of ?

cinnabar

pyrite

selenite

pyrrhotite

The mineral pyrite, or iron pyrite, also known as fool's gold. Pyrite is considered the most common of the sulfide minerals. Pyrite's metallic luster and pale brass-yellow hue give it a superficial resemblance to gold, hence the well-known nickname of fool's gold . Pyrite is considered the most common of the sulfide minerals.

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Answers by country

Republic of Ireland

0%

89%

10%

0%

19

Australia

0%

88%

0%

11%

34

the Netherlands

0%

85%

7%

0%

14

Switzerland

6%

78%

9%

6%

33

Austria

6%

73%

15%

4%

46

Poland

10%

70%

10%

7%

2413

Germany

13%

70%

8%

6%

269

Italy

9%

63%

27%

0%

11

Canada

6%

60%

20%

6%

15

Greece

11%

58%

11%

17%

17

the United States

8%

57%

14%

19%

305

the Philippines

14%

57%

14%

14%

14

the United Kingdom

13%

56%

16%

13%

60

India

25%

46%

19%

8%

56

Nepal

10%

40%

20%

30%

10

Ukraine

16%

25%

41%

12%

24

France

50%

20%

10%

20%

10

What's the origin of the word "turquoise"?

Turku City in Finland

Turkey as a country

Turkusy, fake region

Persian tortoise

What is the largest known diamond in the world?

Which of this mineral is the best diamond alternative?

strontium titanate

What type of energy is stored by a spring when it is stretched?

Internal mechanical energy

Gravitational potential energy

Excitation energy

Elastic potential energy