The birthstone for April is the sapphire. One of the most abrasive substances known to man. More than one billion years old.
Diamonds have a long and fascinating history. Popular for its brilliance, glimmer, and awe-inspiring beauty, this gem has a myst Then there are these fascinating facts about diamonds, which you'll discover after reading this list.
Did You Know That?
Prior to the year 300 BCE, diamonds were being used to engrave gemstones in India.
Burning diamonds is possible. Between 1290 and 1650 degrees Fahrenheit, a diamond must be heated before it can be burned These include house fires as well as jewelers' torches.
D to Z color diamonds are the most commonly used in jewelry, but diamonds come in every color of the spectrum. Blue, green, orange, and red natural colored diamonds are the rarest, while yellow and brown are the most common.
The carat weight of a diamond represents its size in carats (not carrots or karats). Because of its long history as a weight standard for precious stones, keration (the Greek name for the carob tree's seed) inspired the English word carat. Since a seed's weight can vary slightly, carat weight was changed to metric in 1913; one metric carat is equivalent to 0.02 grams or 0.000007 oz.
The 3,106-carat Cullinan diamond, found in 1905, is the largest rough diamond ever found.
Where Do Diamonds Get Their Blue Color?
Pressure and temperatures of 1652–2372 degrees Fahrenheit at depths of 90–120 miles beneath Earth's surface created diamonds billions of years ago.
Volcanic activity brings diamond crystals closer to the surface of the Earth.
It is possible to find diamonds in shallow alluvial deposits, which are where the crystals settle after being carried away by geological activity and rivers.
An estimated 30 percent of the world's diamonds are of gem quality.
Most diamonds were discovered in India prior to the 18th century.
As early as 1725, diamonds were found in South America. At a time when production in India was dwindling, a discovery was made in Brazil's Minas Gerais state.
It wasn't until the late 1860s and early 1870s that diamonds were discovered in Africa, which sparked the Great Diamond Rush and its ensuing Great Depression.
By both volume and value, Russia produced the most diamonds in 2014.
North America now accounts for nearly 10% of global diamond production thanks to the opening of the Ekati mine in late 1988 and other Canadian operations.
America buys more than 40 percent of all gem-quality diamonds sold in the world, despite producing a negligible amount for commercial use.
Look at the most famous diamonds ever discovered now that you've learned some interesting facts about diamonds and their origins.
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