SECTION A- (Reading) (20
(Reading) (20 Marks)
1. Read the passage given below and answer the questions:
Chocolate diamonds are actually brown diamonds and compared to the well-known white
diamond they aren't much worth. Diamonds are produced in mines. The best known diamond
mines are in Australia, South Africa and Russia. The largest diamond mine was discovered in 1976
in the desert of Australia near a little creek named Lake Argyle. Diamonds are created under very
extreme conditions of pressure and high temperature. It is a general misunderstanding that there
exist only white colourless diamonds. Actually, diamonds exist in many different colour.
Of ul the diamond mines in the world, almost 80% of all diamonds produced are brownish in
colour. Because they were found in such large quantities compared to the other coloured diamonds.
they were considered as low-valued diamonds, only good for the industrial sector. But, a famous
man called Le Vian came with a marketing campaign to increase the popularity of the chocolate
diamond. Instead of calling it a brown diamond, he gave it popular names like caramel, chocolate.
cinnamon and cognac. Since his marketing campaign, chocolate diamonds are becoming very
popular. The value of a diamond is based on its shape, brightness and colour Because white e
diamonds are rare, their value is based on the fact that there are not many white diamonds around.
But if you look at the shape and brightness, then the brightest diamond in this world known to men
is a brown diamond. Before the development of the Argyle Diamond Mine in Australia in 1986,
most brown diamonds were considered, worthless for jewellery, they were not even assessed on the
diamond colour scale, and were predominantly used for industrial purposes. However, marketing
strategies changed in the 1980s and brown diamonds have become popular gems » The change was
mostly due to the supply: the Argyle mine, with its 35 million carats (7,000 kg) of diamonds per
year, makes about one third of global production of natural diamonds: 80% of Argyle diamonds are
brown. The percentage of brown diamonds is lower in other mines, but it is almost always a
significant part of the total production. Consequently, scientific research on causes of brown colour
it has intensified.
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