Aluminum oxide, known in geology as the mineral corundum.
no such thing as rubys in minecraft
Yes, it can. Aluminum oxide, saphires or rubys are all the same mineral. Just with minor elemental differences.
A chemical bond.
glassy
jewelry
it comes from the earth...the earth made diamonds,rubys and other special rocks
This is an isotope of a chemical element.
red
Red
Rubys
No way.
As m