Nature Names Part 1

The posts for the next few days will be follow ups for nature names! Today starts everything off with Rocks, Gems and Minerals!

Rocks

Coal
Flint
Mica
Rock
Stone

Gems

Beryl- (English) A pale green gemstone including emeralds and aquamarine
Crystal
Diamond
Esmerelda
Garnet
Gemma- (English) Okay I know it isn't a gem but I love this name
Gold
Jade
Jewel
Opal
Pearl
Ruby
Sapphire
Topaz

Minerals

Clay
Mercury