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Gemstones Quiz for Experts | General

This is a quiz to test your knowledge on gemstones and birthstones.

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

Author
vegeta_nz

Time
5 mins

Type
Multiple Choice

Quiz #
139,554

Updated
Dec 03 21

# Qns
10

Difficulty
Tough

Avg Score
6 / 10

Plays
3658

Last 3 plays: Kiwikaz (7/10), Guest 192 (8/10), Guest 65 (9/10).

One at a Time - Single Page - Timed Game

Question 1 of 10

1. What is the name of the pear-shaped diamond from Zaire? Hint

The Pear Diamond

The Millennium Star Diamond

The South African Diamond

The Magnificent Diamond

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Question 2 of 10

2. Garnets are never purple.

True

False

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Question 3 of 10

3. Ruby and Sapphire are both rare forms of what mineral? Hint

Silicon

Corundum

Beryl

Magnesium

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Question 4 of 10

4. Which gemstone, like graphite, is made of carbon? Hint

Ruby

Diamond

Sapphire

Garnet

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Question 5 of 10

5. Which gemstone has two different kinds named Kunzite and Hiddenite? Hint

Spodumene

Zircon

Brown Quartz

Opal

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Question 6 of 10

6. What is the Mohs' scale used for measuring? Hint

The size of a gemstone

The hardness of a mineral

The value of a gemstone

The shape of a mineral

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Question 7 of 10

7. What gemstone is often a tinted pale grey or yellow and is often confused as the gemstone milky synthetic spinel? Hint

Sphene

Moonstone

Opal

Milky quartz

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Question 8 of 10

8. Name the gemstone that can come in the colours true, pink, blue and colourless?

Answer: (one word - starts with T and ends with Z)

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Question 9 of 10

9. What colour is the gemstone Tanzanite? Hint

Fire

Cinnamon

Ultramarine

Colourless

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Question 10 of 10

10. How many traditional birthstones are there in total for January?

Answer: (number or word form)

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Most Recent Scores

Dec 17 2024 : Kiwikaz: 7/10
Nov 18 2024 : Guest 192: 8/10
Nov 14 2024 : Guest 65: 9/10
Nov 02 2024 : Guest 71: 6/10
Oct 29 2024 : Guest 209: 6/10

Score Distribution

Quiz Answer Key and Fun Facts

1. What is the name of the pear-shaped diamond from Zaire?

Answer: The Millennium Star Diamond

The Millennium Star Diamond is one of the finest diamonds ever discovered it was displayed in the Millennium Dome in London, England.

2. Garnets are never purple.

Answer: false

A garnet is dark red or reddish brown in colour it is the birthstone for people born in January. Garnets are used to make jewellery. The most common colour of a garnet is Dark red. It can be a lot of colours.

3. Ruby and Sapphire are both rare forms of what mineral?

Answer: Corundum

Ruby is a blood red colour and is the birthstone for people born in July. Sapphire is a blue colour and is the birthstone for people born in September. Corundum is made of aluminum and oxygen. Mostly it is found in metamorphic rocks. Corundum comes in every colour of the rainbow.

4. Which gemstone, like graphite, is made of carbon?

Answer: Diamond

Diamonds are one of the hardest known minerals. Diamonds are mainly found in rocks called Kimberlite.

5. Which gemstone has two different kinds named Kunzite and Hiddenite?

Answer: Spodumene

Kunzite is lilac-pink and hiddenite is bright green in colour. They are found mainly in Brazil, Burma, Madagascar and USA.

6. What is the Mohs' scale used for measuring?

Answer: The hardness of a mineral

The Mohs' scale starts at 1 being the softest and goes up to 10 being the hardest. Diamonds rate 10 on the Moh's scale.

7. What gemstone is often a tinted pale grey or yellow and is often confused as the gemstone milky synthetic spinel?

Answer: Moonstone

Moonstones have a blue reflection. It has a whitish to silvery-white or blue shimmer they hardly have any colour at all.

8. Name the gemstone that can come in the colours true, pink, blue and colourless?

Answer: Topaz

Topaz is a highly prized gemstone. The topaz that comes from Brazil is sometimes heat-treated to make pink topaz.

9. What colour is the gemstone Tanzanite?

Answer: Ultramarine

Tanzanite is also Sapphire-blue, Violet and Amethyst in colour. Tanzanite is found only in Tanzania. It is a very rare mineral as almost all of its sources have run out.

10. How many traditional birthstones are there in total for January?

Answer: 1

There are many birthstones, usually two for each of the twelve zodiac signs of the year. Some lists have more. January's is, however, only garnet.

Source: Author vegeta_nz

This quiz was reviewed by FunTrivia editor Exit10 before going online.
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