Rare rocks & minerals
Rare rocks and minerals occur in only a handful of localities worldwide, or in such small quantities that good specimens command serious money. These are the trophy pieces of cabinet collectors.
Showing 4081–4200 of 4900 rare entries (page 35 of 41).
Sørenseniteraremineral · Mohs 5.5colorless, white, pink
Sorositeraremineral · Mohs 3.5-4silver-white, tin-white
Sosedkoiteraremineral · Mohs 3.5yellow, yellowish-orange- No imageSoučekiteraremineral · Mohs 3.5gray, lead-gray
Souzaliteraremineral · Mohs 6green, blue-green
Spadaiteraremineral · Mohs 2.5red, pink, yellow
Spaltiiteraremineral · Mohs 2.5-3lead-gray, black
Spangoliteraremineral · Mohs 3dark green, emerald green, bluish green
Spenceriteraremineral · Mohs 2.5white, colorless, gray
Sperryliteraremineral · Mohs 6-7tin-white, silver-white, lead-gray
Spertiniiteraremineral · Mohs 2blue, blue-green
Sphaerobertranditeraremineral · Mohs 6yellow, colorless, white- No imageSphaerobismoiteraremineral · Mohs 3.5white, yellowish-white, gray
- No imageSphenisciditeraremineral · Mohs 2yellow, yellowish-brown, white
Spherocobaltiteraremineral · Mohs 3.5-4rose-red, pink, reddish-orange- No imageSpionkopiteraremineral · Mohs 2indigo, dark blue, black
Spiridonoviteraremineral · Mohs 3.5white
Spiroffiteraremineral · Mohs 3colorless, white, pale yellow- No imageSpriggiteraremineral · Mohs 2-3orange, yellow-orange
- No imageSpringcreekiteraremineral · Mohs 5yellow, brown
- No imageSpryiteraremineral · Mohs 2.5yellow, yellowish-orange
- No imageSrebrodolskiteraremineral · Mohs 5-6dark red, brown, black
- No imageŠreiniteraremineral · Mohs 3yellow, brownish-yellow
- No imageSrilankiteraremineral · Mohs 7-8black, brown
Stalderiteraremineral · Mohs 3.5lead-gray, black- No imageStanĕkiteraremineral · Mohs 4black, dark brown
Stanfielditeraremineral · Mohs 5colorless, white, gray- No imageStangersiteraremineral · Mohs 6colorless, white
Stanleyiteraremineral · Mohs 2bright green, yellow-green
Stannoiditeraremineral · Mohs 4bronze, brown, black
Stannopalladiniteraremineral · Mohs 4-5silver-white, grayish-white
Star Rubyraregemstone · Mohs 9red, purplish-red, pinkish-red
Star Sapphireraregemstone · Mohs 9blue, gray, violet- No imageStarkeyiteraremineral · Mohs 2-2.5white, colorless, pale yellow
Starovaiteraremineral · Mohs 3yellow, greenish-yellow- No imageStavelotite-(La)raremineral · Mohs 5yellowish-brown, brown
Steacyiteraremineral · Mohs 5yellow, brown, gray- No imageSteedeiteraremineral · Mohs 3.5colorless, white
Steenstrupine-(Ce)raremineral · Mohs 4brown, black, yellow
Stefanweissiteraremineral · Mohs 4.5yellow, yellowish-brown
Steigeriteraremineral · Mohs 2.5bright yellow, lemon yellow- No imageSteinhardtiteraremineral · Mohs 3.5silver-white, gray
Steinmetziteraremineral · Mohs 3.5white, pale yellow
Stekliteraremineral · Mohs 3-3.5colorless, white, grayish
Stenhuggariteraremineral · Mohs 3.5yellow, yellowish-orange
Stenoniteraremineral · Mohs 3.5colorless, white, gray- No imageStepanoviteraremineral · Mohs 2yellow, yellow-green
Štěpiteraremineral · Mohs 3.5yellow, yellow-green, brown
Stercoriteraremineral · Mohs 2white, colorless
Stergiouiteraremineral · Mohs 3.5colorless, white
Sterlinghilliteraremineral · Mohs 2white, colorless
Sternbergiteraremineral · Mohs 1-1.5pinchbeck-brown, dark brown, black
Steropesiteraremineral · Mohs 3-4colorless, white
Sterryiteraremineral · Mohs 3.5lead-gray, black
Stetefeldtiteraremineral · Mohs 3.5-4.5brown, black, yellowish-brown- No imageStetindite-(Ce)raremineral · Mohs 4-5brown, yellowish-brown
- No imageSteverustiteraremineral · Mohs 2yellow, yellowish-orange
Stewartiteraremineral · Mohs 1.5-2orange, reddish-orange, brownish-orange
Stibarsenraremineral · Mohs 3.5tin-white, gray- No imageStibioclaudetiteraremineral · Mohs 2.5white, colorless, yellowish
Stibiocolumbiteraremineral · Mohs 5-5.5yellow, brown, greenish-yellow- No imageStibiocolusiteraremineral · Mohs 3.5gray, brownish-gray
Stibiopalladiniteraremineral · Mohs 4-5white, silver-white
Stibiotantaliteraremineral · Mohs 5-5.5yellow, brown, tan- No imageStibivaniteraremineral · Mohs 1.5-2yellow, brownish-yellow, orange
Stichtiteraremineral · Mohs 1.5-2lilac, purple, pink
Stilleiteraremineral · Mohs 4.5dark gray, blackish gray- No imageStillwateriteraremineral · Mohs 4-4.5white, pale yellow
Stillwellite-(Ce)raremineral · Mohs 5white, pink, yellowish-white
Stishoviteraremineral · Mohs 6.5-7colorless, white, gray
Stistaiteraremineral · Mohs 3.5white, silver-white- No imageStöffleriteraremineral · Mohs 6colorless, white
Stoiberiteraremineral · Mohs 3dark red, orange-red
Stokesiteraremineral · Mohs 6colorless, white
Stolziteraremineral · Mohs 2.5-3red, orange, yellow- No imageStony Meteoriterarefossil · Mohs 5-7gray, brown, black
- No imageStony-Iron Meteoriterarefossil · Mohs 5-6brown, metallic, yellow
- No imageStoppaniiteraremineral · Mohs 7.5-8blue, light blue, blue-green
Stottiteraremineral · Mohs 3.5black- No imageStraczekiteraremineral · Mohs 2black, dark brown
- No imageStrakhoviteraremineral · Mohs 5yellow, yellowish-brown
Stranskiiteraremineral · Mohs 3.5azure-blue, sky-blue
Strashimiriteraremineral · Mohs 2.5green, pale green, white- No imageStrassmanniteraremineral · Mohs 2.5white, colorless
- No imageSträtlingiteraremineral · Mohs 2colorless, white, pale yellow
Strelkiniteraremineral · Mohs 2-3yellow, bright yellow
Stringhamiteraremineral · Mohs 3blue, blue-green
Stromeyeriteraremineral · Mohs 2.5-3steel-gray, dark blue- No imageStronadelphiteraremineral · Mohs 5colorless, white, gray
Stronalsiteraremineral · Mohs 6white, colorless
Strontio-orthojoaquiniteraremineral · Mohs 5yellow, brown, amber
Strontioboriteraremineral · Mohs 3.5colorless, white, gray
Strontiochevkiniteraremineral · Mohs 5-6black, brownish black
Strontiodresseriteraremineral · Mohs 3.5white, colorless, pale yellow- No imageStrontiofluoriteraremineral · Mohs 4colorless, white, pale yellow
Strontioginoriteraremineral · Mohs 2-3white, colorless- No imageStrontiohurlbutiteraremineral · Mohs 6colorless, white, gray
Strontiojoaquiniteraremineral · Mohs 5yellow, brown, orange-brown- No imageStrontiomelaneraremineral · Mohs 3-4black, dark gray
- No imageStrontioperloffiteraremineral · Mohs 4dark brown, reddish-brown
- No imageStrontiopharmacosideriteraremineral · Mohs 2.5yellow, greenish-yellow, yellowish-brown
- No imageStrontioruiziteraremineral · Mohs 3.5orange, brown
Strontiowhitlockiteraremineral · Mohs 5colorless, white, pale yellow
Strunziteraremineral · Mohs 3.5-4yellow, yellowish-brown, brown- No imageStruvite-(K)raremineral · Mohs 2colorless, white, yellowish-white
Studenitsiteraremineral · Mohs 3.5white, colorless
Studtiteraremineral · Mohs 2white, yellow, pale yellow
Stumpfliteraremineral · Mohs 3white, gray
Sturmaniteraremineral · Mohs 2.5yellow, yellow-orange, brown
Stütziteraremineral · Mohs 1.5-2lead-gray, iron-black
Suaniteraremineral · Mohs 5.5white, colorless, gray- No imageSudburyiteraremineral · Mohs 3.5white, pale yellow
Sudovikoviteraremineral · Mohs 2-3white, pale yellow
Suessiteraremineral · Mohs 5-6silver-white, pale yellow- No imageSugakiiteraremineral · Mohs 3.5-4bronze, yellow
Sugiliteraremineral · Mohs 6-6.5purple, violet, pinkish-purple- No imageSuhailiteraremineral · Mohs 2.5-3colorless, white, pale yellow
- No imageSulfhydrylbystriteraremineral · Mohs 5.5-6yellow, golden-yellow
Sulfoboriteraremineral · Mohs 3.5white, colorless, yellowish
Sulphohaliteraremineral · Mohs 3.5colorless, white, yellow
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