Sabugalite
Sadanagaite
Safflorite
Sakuraiite
Salammoniac
Sal Ammoniac
Salite
Samaniite
Samarskite-(Y)
Sanbornite
Saneroite
Sanidine
Santabarbaraite
Saponite
Saponite/Chlorite interstratified mineral
Saponite/Clinochlore interstratified mineral
Saponite/Vermiculite interstratified mineral
Sapphirine
Sarcopside
Sarkinite
Sartorite
Sassolite
Satinspar
Sauconite
Scapolite group
Scapolite series
Scarbroite
Scawtite
Scheelite
Schefferite
Schirmerite
Schneiderhöhnite
, Schneiderhohnite
Schoenfliesite subgroup
Schoepite
Schorl
, Schörl
Schorlomite
Schulenbergite
Schwazite
Schwertmannite
Scolecite
Scorodite
Scorzalite
Segnitite
Sekaninaite
Selenite
Selenospinel group
Selensulfur
Selensulphur
Seligmannite
Semseyite
Sénarmontite
, Senarmontite
Sepiolite
Sérandite
, Serandite
Sericite
Sericite/Chlorite interstratified mineral
Sericite/Illite interstratified mineral
Sericite/Kaolinite interstratified mineral
Sericite/Montmorillonite interstratified mineral
Sericite/Smectite interstratified mineral
Sericite/Sudoite interstratified mineral
Serpentine-Kaolin group
Serpierite
Shandite
Shigaite
Shimazakiite
Shiranuiite
Shirozulite
Shosanbetsuite
Shungite
Sibirskite
Siderite
Sideronatrite
Siderotil
Siegenite
Silicified wood
Sillénite
, Sillenite
Sillimanite
Silver
Skaergaardite
Skippenite
Sklodowskite
Skutterudite
Skutterudite subgroup
Slawsonite
Smaltite
Smectite group
Smectite/Chlorite interstratified mineral
Smectite/Glauconite interstratified mineral
Smectite/Illite interstratified mineral
Smectite/Kaolin interstratified mineral
Smectite/Kaolinite interstratified mineral
Smectite/Mica interstratified mineral
Smectite/Sericite interstratified mineral
Smithsonite
Smoky quartz
Smrkovecite
Smythite
Sobolevskite
Sodalite
Soddyite
Sodium Amphibole subgroup
Sodium-Calcium Amphibole subgroup
Sogdianite
Söhngeite subgroup
, Sohngeite subgroup
Sonolite
Sonoraite
Spangolite
Spectrolite
Sperrylite
Spessartine
Sphaerocobaltite
Sphalerite
Sphene
Spherocobaltite
Spinel
Spinel subgroup
Spinel supergroup
Spiroffite
Spodumene
Spurrite
Stannite
Stannoidite
Starkeyite
Staurolite
Steklite
Stellerite
Stephanite
Sterlinghillite
Sternbergite
Stevensite
Stewartite
Stibarsen
Stibiconite
Stibiogoldfieldite
Stibiopalladinite
Stibiotantalite
Stibnite
Stichtite
Stilbite series
Stilbite-Ca
Stilbite-Na
Stillwellite-(Ce)
Stilpnomelane
Stishovite
Stokesite
Stolzite
Stottite subgroup
Strakhovite
Strengite
Stringhamite
Stromeyerite
Stronadelphite
Stronalsite
Strontianite
Strontiojoaquinite
Strontiomelane
Strontio-orthojoaquinite
Strontiopiemontite
Strotium-apatite
Strunzite
Stumpflite
Sturtite
Stützite
, Stutzite
Suanite
Succinite
Sudoite
Sudoite/Montmorillonite interstratified mineral
Sudoite/Sericite interstratified mineral
Sugakiite
Sugilite
Sulfur
Sulphohalite subgroup
Sulphur
Sulvanite
Suolunite
Sursassite
Susannite
Sussexite
Suzukiite
Svanbergite
Swinefordite
Switzerite
Sylvanite
Sylvine
Sylvite
Symplesite
Synchysite-(Ce)
Synchysite-(Y)
Syngenite
Szaibélyite
, Szaibelyite
Szmikite
Szomolnokite