Mineral Index
| S | ||
| Sanidine |  Mineral Data
| Images |
| Sapphirine | Mineral Data
| Images |
| Scapolite: Marialite - Meionite | Mineral Data
| Images |
| Scheelite | Mineral Data
| Images |
| Schorlomite | see under Garnet | |
| Scolecite | Mineral Data
| Images |
| Serpentine: Antigorite, Lizardite, Chrysotile | Mineral Data
| Images |
| Siderite | Mineral Data
| Images |
| Sillimanite | Mineral Data
| Images |
| Smithsonite | Mineral Data
| Images |
| Sodalite Group | Mineral Data
| Images |
| Spessartine | see under Garnet | |
| Sphalerite | Mineral Data
| Images |
| Spinel | Mineral Data
| Images |
| Spodumene | Mineral Data
| Images |
| Spurrite | Mineral Data
| Images |
| Staurolite | Mineral Data
| Images |
| Stilbite (desmine) | Mineral Data
| Images |
| Strontianite | Mineral Data
| Images |
| T | ||
| Talc | Mineral Data
| Images |
| Thomsonite | Mineral Data
| Images |
| Thulite | see under Zoisite | |
| Tilleyite | Mineral Data
| Images |
| Titanite | Mineral Data
| Images |
| Topaz | Mineral Data
| Images |
| Tourmaline | Mineral Data
| Images |
| Tremolite - Ferroactinolite | Mineral Data
| Images |
| Tridymite | Mineral Data
| Images |
| U | ||
| Uvarovite | see under Garnet | |