with a great amount of pressure and heat, such as in volcano's
no. it is a gemstone
The associated gemstone is Sapphire or Cat's Eye.
No, sapphire is a form of corundum and is not susceptible to rusting because it does not contain iron. Sapphire is a very durable and hard gemstone, making it resistant to most types of corrosion or chemical damage.
Yes, you can get the Gemstone Ring: Platinum Oval Sapphire & Half-Moon Diamond Ring with a ruby instead of a sapphire.
Queensland's gemstone emblem is the sapphire. It was named as the state emblem in 1985.
Sapphire is the blue, gem form of the mineral corundum (Alluminium Oxide). Which is the same as Ruby.(Greek: σάπφειρος; sappheiros, 'blue stone', which probably referred instead at the time to lapis lazuli) is a gemstone variety of the mineral corundum, an aluminium oxide (α-Al2O3).
Sapphire, Lapis lazuli, Chalcedony (dark blue), and Indicolite.
corundum, sapphire
blue sapphire :).
Yes there is it is Diamond
Corundum. (Sapphire/Ruby/Emery)
Sapphire is a gemstone version of the mineral corundum.