Teaching Treasures™


heading Cullinan Diamond


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The Cullinan diamond historically is thought to be the largest diamond ever found. A few years later after it was found, it was cut into many smaller stones, two very large stones were also cut out of it.

One of these stones is called 'The Star of Africa' and is part of the British crown jewels (In your project you can find out the name of the other diamond). The Cullinan diamond was discovered in 1905 in South Africa and brought to England by Thomas Cullinan; it was named after Sir Thomas Cullinan, the chairman of the diamond company which excavated the stone.

When discovered its recorded weight was 3,106 carats! A carat in diamond terms represents 200 milligrams of diamonds.... a diamond of one carat is almost exactly 1/4 inch in diameter. To find more information about this diamond, visit the following web sites below.

Cullinan Diamond Mine | Facts on Minerals More facts

Wicipedia | Encyclopaedia Britannica

Your Project task:

Explore the web sites above or obtain library books. Write a short essay about diamonds. Include the Cullinan diamond's history.


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