Most people consider green to be the rarest eye color in the world, though many others consider amber to be even more unusual. Therefore, it’s safe to say that either green or amber is the rarest color in the world.
What is the rarest color of topaz?
Imperial Topaz, also known as Precious Topaz is the rarest and most valuable of the Topaz family, coming in colors ranging from golden yellow to the extremely prized sherry pink color.
What is the rarest type of jade?
The rarest and most valuable jadeite is imperial jade, which is colored by traces of chromium. It has color and transparency rivaling fine emerald, though imperial jade is slightly more yellow in tone. Oct 4, 2008