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Diamonds

written by: eyez2k1ss
 
How much do you know about these fascinating gems? Check your knowledge of the origins, formation and properties of diamonds.

Question 1:


The word "diamond" comes from the ancient Greek word “adamas” meaning what translated in English?
Brilliant
Powerful
Everlasting
Invincible

Question 2:


The diamond is the hardest known natural material on Earth.
True
False

Question 3:


About half of the 26,000 kg diamonds mined annually originate from which continent?
Europe
South America
Africa
Asia

Question 4:


Although seemingly different, the diamond and the graphite are both allotropes of one and the same chemical element. Which one?
Nitrogen
Iron
Oxygen
Carbon

Question 5:


Diamonds’ properties are commonly measured by the so called “four Cs.” What do the four Cs stand for?
Chemical balance, color, clarity and carat
Carat, capacity, color and clarity
Carat, clarity, color, and cut
Cut, calcification, carat, and cut

Question 6:


In order for a natural diamond to form, it must be exposed to what specific conditions?
Comparatively low pressure and high temperature
High pressure and high temperature
High pressure and absence of light
High pressure and comparatively low temperature

Question 7:


What physical property of the diamond do carats measure?
Mass
Color
Purity
Cut

Question 8:


Diamond formation is a very slow process. It is estimated that most diamonds found in nature are of what approximate age?
100 000 – 200 000 years old
30 – 40 billion years old
100 – 200 million years old
1 – 3 billion years old

Question 9:


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
In a near star’s core
On the moon’s dark side
At the bottom of the Mariana Trench

Question 10:

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.
Golden Jubilee
Centenary Diamond
Heart of Eternity Diamond
Deepdene


View Image

 


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