Discover the Science Behind Colorful Ice Cubes in Stunning Visuals

Transcript

00:00A rainbow is seen inside of a crystal is the size of the crystal. If a crystal is too small,

00:04then light won't have enough time to reflect and refract off of the internal surfaces,

00:08and a rainbow won't be seen. However, if a crystal is too big, then the rainbow can become diffused

00:13and hard to see. The ideal size for a crystal to have a visible rainbow is somewhere in the middle.

00:18The intensity of the rainbow can also be affected by the clarity of the crystal.

00:21If a crystal is very clear and transparent, then the rainbow will be very intense. However,

00:26if a crystal is cloudy or opaque, then the rainbow will be much more difficult to see.

00:31In addition to the factors mentioned above, the color of the rainbow can also be affected by the

00:35presence of impurities in the crystal. For example, if a crystal contains iron, then the rainbow may

00:40appear more red or orange. Now let's take a look at some examples of crystals with rainbows inside of

00:45them. As I mentioned before, tourmaline is a very well-known crystal.