Quiz about The Mohs Scale
Quiz about The Mohs Scale

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.
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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
2704
Last 3 plays: kjshear (10/10), Guest 23 (9/10), Guest 47 (1/10).
This quiz has 2 formats: you can play it as a or as shown below.
Scroll down to the bottom for the answer key.
1. This is the softest mineral at 1 on the Mohs scale. What is it?

Answer: (One Word)
2. Number 2 on the Mohs scale is represented by what? Hint

Petalite
Jade
Gypsum
Charoite

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

Answer: (One Word)
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

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

Answer: (One Word)
6. This mineral has two names and is number 6 on the Mohs scale. What is one of its two names?

Answer: (One Word)
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)
8. This gemstone is high at number 8 in the Mohs scale. What is its name? Hint

Topaz
Tourmaline
Citrine
Malachite

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

Rubidite
Corundum
Diamond
Laitile


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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.
Any errors found in FunTrivia content are routinely corrected through our feedback system.
Most Recent Scores
Nov 20 2022 : kjshear: 10/10
Oct 19 2022 : Guest 23: 9/10
Oct 13 2022 : Guest 47: 1/10

Score Distribution

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