Diamond Facts and Diamond Myths
Here are some fun facts to amuse you about diamonds. They are used either as parts, or in the creation, of many products you use every day.
Formula: C (pure carbon)
Colors: Colorless, gray, shades of yellow, brown, pink, green, orange, lavender, blue, rarely red.
Luster: Adamantine (highest luster of any material on earth)
Hardness: 10 on the Mohs scale (hardest of all materials on earth)
Cleavage: Perfect in one direction. Considered brittle along its octahedral crystal planes.
Optics: Isotropic, index very constant: N = 2.417
Dispersion: 0.044. This high dispersion creates the prismatic “fire” responsible for much of a diamond’s historic beauty.