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The Mohs Scale Trivia Quiz

This is a quiz about the Mohs scale. I will give you the hardness, and you give me the mineral that is used to represent the hardness on the Mohs scale. N.B This quiz may be U.K specific, as the Mohs scale may be different in other parts of the world.

A multiple-choice quiz by Flynn_17. Estimated time: 5 mins.

Author
Flynn_17

Time
5 mins

Type
Multiple Choice

Quiz #
67,499

Updated
Dec 01 22

# Qns
10

Difficulty
Average

Avg Score
7 / 10

Plays
2752

Last 3 plays: Guest 136 (10/10), daveguth (10/10), Guest 75 (10/10).

One at a Time - Single Page - Timed Game

Question 1 of 10

1. This is the softest mineral at 1 on the Mohs scale. What is it?

Answer: (One Word)

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Question 2 of 10

2. Number 2 on the Mohs scale is represented by what? Hint

Gypsum

Charoite

Jade

Petalite

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Question 3 of 10

3. This common mineral holds number 3 on the Mohs scale. What is it called?

Answer: (One Word)

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Question 4 of 10

4. This mineral holds number 4 on the Mohs scale. It can be clear, blue, yellow, green, or purple. What is it called? Hint

Lazulite

Sphalerite

Lapis Lazuli

Fluorite

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Question 5 of 10

5. This blue-green mineral defines number 5 in the Mohs scale. What is its name?

Answer: (One Word)

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Question 6 of 10

6. This mineral has two names and is number 6 on the Mohs scale. What is one of its two names?

Answer: (One Word)

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Question 7 of 10

7. This mineral is the most common on Earth and holds an impressive number 7 on the Mohs scale. What is its name?

Answer: (One Word)

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Question 8 of 10

8. This gemstone is high at number 8 in the Mohs scale. What is its name? Hint

Citrine

Topaz

Tourmaline

Malachite

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Question 9 of 10

9. This mineral has many forms, but essentially is a number 9 in the Mohs scale. What is the name of one of its forms?

Answer: (One Word)

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Question 10 of 10

10. At number 10, which mineral was long believed to be the hardest on Earth? Hint

Corundum

Rubidite

Laitile

Diamond

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Most Recent Scores

Oct 25 2024 : Guest 136: 10/10
Oct 25 2024 : daveguth: 10/10
Oct 23 2024 : Guest 75: 10/10

Score Distribution

Quiz Answer Key and Fun Facts

1. This is the softest mineral at 1 on the Mohs scale. What is it?

Answer: Talc

Talc is a blue-silver mineral that may be scratched by all other minerals.

2. Number 2 on the Mohs scale is represented by what?

Answer: Gypsum

This is a clear mineral at no.2 on the Mohs scale, but comes in many other forms, such as Desert Rose.

3. This common mineral holds number 3 on the Mohs scale. What is it called?

Answer: Calcite

Calcite is nearly as common as quartz and is what stalactites and stalagmites are made up of primarily.

4. This mineral holds number 4 on the Mohs scale. It can be clear, blue, yellow, green, or purple. What is it called?

Answer: Fluorite

This mineral was used in old telescopes as lenses.

5. This blue-green mineral defines number 5 in the Mohs scale. What is its name?

Answer: apatite

Beautiful!

6. This mineral has two names and is number 6 on the Mohs scale. What is one of its two names?

Answer: Orthoclase

This whitish mineral is officially named Orthoclase-Feldspar, but it's just too long for a fill in the blank answer.

7. This mineral is the most common on Earth and holds an impressive number 7 on the Mohs scale. What is its name?

Answer: quartz

This comes in all colours: red, blue, pink, orange, purple, clear, white, yellow, grey-clear, and aster but to name a few.

8. This gemstone is high at number 8 in the Mohs scale. What is its name?

Answer: Topaz

This beautiful mineral most frequently comes in either yellow, white or ice blue.

9. This mineral has many forms, but essentially is a number 9 in the Mohs scale. What is the name of one of its forms?

Answer: Corundum

Rubies and sapphires are used extensively in jewelery. The composition is the same, but rubies are the red form while sapphires are (usually) blue.

10. At number 10, which mineral was long believed to be the hardest on Earth?

Answer: Diamond

Diamond is frequently quoted as the hardest mineral found, but later discoveries have rendered this incorrect - although diamond is still the hardest relatively common mineral and remains the hardest on the Mohs scale.

Source: Author Flynn_17

This quiz was reviewed by FunTrivia editor gtho4 before going online.
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