Understanding Green Diamonds

Diamonds are not always colorless; some are green due to radiation. Radiation can disrupt the carbon lattice in diamonds, causing defects that change their color. Green diamonds are rare, with some being entirely green. Scientists can create green diamonds in labs using artificial radiation. Safety measures ensure these diamonds are not harmful. The video concludes with thanks to SciShow patrons.

What is a surprising fact about some diamonds?

• They are always colorless.

• They are made of gold.

• They can be green due to radiation.

• They can float on water.

What is the lattice structure in diamonds?

• A random arrangement of atoms.

• A structure made of gold atoms.

• A regular, repeating pattern of carbon atoms.

• A mixture of different elements.

How does radiation affect the diamond lattice?

• It makes the diamond heavier.

• It disrupts the lattice, causing color changes.

• It turns the diamond into a liquid.

• It makes the diamond invisible.

What happens to light in a diamond with lattice defects?

• It turns into sound waves.

• It is reflected perfectly, making the diamond invisible.

• It is absorbed by atoms around the defects.

• It passes straight through without any change.

Why do some diamonds appear green?

• They are made of emerald.

• They absorb red and blue light, reflecting more green light.

• They reflect only red light.

• They are painted green.

How rare are naturally green diamonds?

• One in every hundred diamonds.

• One in every thousand diamonds.

• One in every million diamonds.

• One in every ten diamonds.

What is a famous example of a naturally green diamond?

• The Hope Diamond.

• The Dresden Green.

• The Cullinan Diamond.

• The Koh-i-Noor.

How are green diamonds artificially created?

• By freezing them in liquid nitrogen.

• By using artificial radiation sources like electron beams.

• By painting them green.

• By heating them to high temperatures.

What is a concern with artificially irradiated green diamonds?

• They might lose their shine.

• They might turn blue over time.

• They might melt in sunlight.

• They might be radioactive.

How is the safety of irradiated green diamonds ensured in the US?

• They are stored until their radioactivity is safe.

• They are kept in a vacuum.

• They are painted with a protective coating.

• They are washed with special chemicals.