Ruby and sapphire are varieties of the mineral corundum. - Courtesy Hamilton Jewelers Ruby is one variety of the corundum mineral species, which also includes sapphire. Ruby is highly regarded and can ...
You used to be able to mine for your rubies at the Cherokee Ruby and Sapphire Mine, but that ended in 2015. Instead, you pay $25 for a bucket of gravel — with a two bucket limit per day — and then ...