Changes

| spectral=In pale yellow stones a 415.5 nm line is typical. Irradiated and annealed diamonds often show a line around 594 nm when cooled to low temperatures.

| spectral=In pale yellow stones a 415.5 nm line is typical. Irradiated and annealed diamonds often show a line around 594 nm when cooled to low temperatures.

| streak=Colorless

| streak=Colorless

{|}

|}

}}

}}

'''Diamond''' is an [[allotrope]] of [[carbon]], noted for being the hardest material on the [[hardness|Moh's Scale]], and also fairly rare (deposits are found in [[Kimberlite]] in [[South Africa]]). As such, natural diamonds are used for jewelry, and synthetic ones for drill bits.

'''Diamond''' is an [[allotrope]] of [[carbon]], noted for being the hardest material on the [[hardness|Moh's Scale]], and also fairly rare (deposits are found in [[Kimberlite]] in [[South Africa]]). As such, natural diamonds are used for jewelry, and synthetic ones for drill bits.