Research says that the rainbow diamond sapphire orb is the rarest type of gem. Also, that it has never been seen but in Google images you can see sketches of what it might look like. untill then we have only the sketches stay posted
-Logical Research Mineral Society LRMS
The Gem Tang!
Rubies are considered to be the second rarest gem. (The diamond is the first rarest gem)
It is diamonds
GEM TANG!
the red diamond
purple/crimson
its a RED DIAMOND only about 10 of them exist!!!!!!!!!!!!!!!!!!!!!!
Painite has been described by the Guinness Book of World Records as the rarest gem mineral. As of early 2005 there have been eighteen known specimens that are all accounted for.
The Webkinz gem (W) is in the buried bones mine it's the rarest gem($458)!
"I don't believe that that the circus has the worlds rarest gem and the country's fattest lady" Said Mary sceptically.
The rarest type of coral is the Elkhorn coral.
Jadeite USD $3 + Million/Carat, immediately followed by the red diamond