Three Lime Green Diamonds

Three Lime Green Diamonds

Diamond is carbon in its most concentrated form. Except for trace impurities like boron and nitrogen, diamond is composed solely of carbon, the chemical element that is fundamental to all life. And as a form of carbon, a diamond possesses a hardness far surpassing that of any other substance known in nature with 100 years in the making of its formation. Diamonds were formed more than 70 million years ago when diamond-bearing ore was brought to the surface through volcanic eruption. After the magma cooled, it solidified into blue ground where the precious rough is still found today. Most diamonds consist of primeval carbon from Earth's mantle, however, it is said that some probably contain carbon recycled from the ocean crust by plate tectonics.