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How much do you know about these fascinating gems? Check your knowledge of the origins, formation and properties of diamonds.
The word "diamond" comes from the ancient Greek word “adamas” meaning what translated in English?
The diamond is the hardest known natural material on Earth.
About half of the 26,000 kg diamonds mined annually originate from which continent?
Although seemingly different, the diamond and the graphite are both allotropes of one and the same chemical element. Which one?
Diamonds’ properties are commonly measured by the so called “four Cs.” What do the four Cs stand for?
Carat, clarity, color, and cut
Carat, capacity, color and clarity
Chemical balance, color, clarity and carat
Cut, calcification, carat, and cut
In order for a natural diamond to form, it must be exposed to what specific conditions?
High pressure and high temperature
High pressure and comparatively low temperature
Comparatively low pressure and high temperature
High pressure and absence of light
What physical property of the diamond do carats measure?
Diamond formation is a very slow process. It is estimated that most diamonds found in nature are of what approximate age?
100 – 200 million years old
30 – 40 billion years old
100 000 – 200 000 years old
1 – 3 billion years old
Travis Metcalfe, an astronomer at the Harvard-Smithsonian Center for Astrophysics, has presented a fascinating theory: he believes the largest diamond known is located where?
In Earth’s core
On the moon’s dark side
At the bottom of the Mariana Trench
In a near star’s core
View the provided image.
This diamond found in 1985, in the Premier mine in South Africa, surpassed the formerly largest gem-quality cut diamond, the Great Star of Africa.
Heart of Eternity Diamond
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