Now corundum is a fairly common mineral.
Are rubies rare.
In nature diamonds are rare but not so in the gem world.
Forget diamonds emeralds and rubies.
All rubies are rare but those from myanmar formerly burma set the standard for quality and color.
Large gem quality rubies can be more valuable than comparably sized diamonds and are certainly rarer in fact smaller blue sapphires 1 3 cts are relatively abundant compared to small gem quality rubies.
They are also exceptionally scarce.
Rubies and sapphires are different colored varieties of the mineral corundum.
Today s discerning collectors are looking for jewelry that emphasizes rare striking and sometimes almost impossible to find stones.