E
I
S
- Salt
- Sapphire
- Sardonyx
- Sausserite
- Scheelite
- Scolecite
- Sea Bamboo
- Selenite
- Septarian
- S Seraphinite
- Serpentine
- Shattuckite
- Shiva Stone
- Shungite
- Silicon
- Silicon Carbide
- Smoky Quartz
- Soapstone
- Sodalite
- Spinel
- Spirit Quartz
- Stichtite
- Stilbite
- Stonehenge Bluestone
- Stromatolite
- Sugilite
- Sunstone
- Super Seven (Cacoxenite)