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Quiz about Gemstones
Quiz about Gemstones

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.
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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
3645
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Question 1 of 10
1. What is the name of the pear-shaped diamond from Zaire? Hint


Question 2 of 10
2. Garnets are never purple.


Question 3 of 10
3. Ruby and Sapphire are both rare forms of what mineral? Hint


Question 4 of 10
4. Which gemstone, like graphite, is made of carbon? Hint


Question 5 of 10
5. Which gemstone has two different kinds named Kunzite and Hiddenite? Hint


Question 6 of 10
6. What is the Mohs' scale used for measuring? Hint


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


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)
Question 9 of 10
9. What colour is the gemstone Tanzanite? Hint


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
Feb 18 2024 : matthewpokemon: 10/10
Feb 11 2024 : Guest 74: 8/10

Score Distribution

quiz
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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