Birthstone Gems

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April Birthstone - Diamond

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Diamond fact file

Crystal Structure: isometric
Chemical Composition: Carbon
Hardness: 10 MOHS

Refractive Index: 2.417
Colors: colorless, yellow, black, red, green, purple, blue, pink

Diamond, the April birthstone, needs no explanation. The hardest mineral found on Earth, the diamond is also one of the most treasured of gems.

It is made of pure carbon formed under very high pressure underground. Although diamond is the most popular and discussed gemstone, it has been in use for a shorter time than any of the other gems that are commonly used in modern times. The reason for this is because lapidaries did not learn to fashion diamond until about the 15th Century when it was discovered that one diamond would abrade another.

Related Pages:

Diamond Properties
Know more about the physical and chemical properties of Diamond such as composition, color etc.
Diamond History and Geography
Some interesting facts about Diamond such as where it is found, stories from history and mythology, and its healing properties.
Buying and Caring for Diamond Jewelry
Tips for Buying Diamond Jewelry and taking care of Diamond Jewelry