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 3961–4080 of 4900 rare entries (page 34 of 41).
Seidite-(Ce)raremineral · Mohs 3yellow, brown
Seidozeriteraremineral · Mohs 4-5yellow, brown, red-brown
Seifertiteraremineral · Mohs 7colorless, white
Seinäjokiteraremineral · Mohs 5-6tin-white, silver-white- No imageSejkoraite-(Y)raremineral · Mohs 3yellow, greenish-yellow
Sekaninaiteraremineral · Mohs 7-7.5blue, blue-violet, grayish-blue
Seleniumraremineral · Mohs 2gray, red- No imageSelenojalpaiteraremineral · Mohs 2.5black, gray
- No imageSelenopolybasiteraremineral · Mohs 2.5-3black, iron-black
- No imageSelenostephaniteraremineral · Mohs 2-2.5black, iron-black
Seligmanniteraremineral · Mohs 3lead-gray, black- No imageSelivanovaiteraremineral · Mohs 3-4yellow, brown
Sellaiteraremineral · Mohs 5colorless, white, yellowish- No imageSelwyniteraremineral · Mohs 2.5yellow, green, brown
Semenovite-(Ce)raremineral · Mohs 3-4yellow, yellow-brown, brown
Senaiteraremineral · Mohs 6black- No imageSenandoriteraremineral · Mohs 3-4gray, dark gray, black
Senegaliteraremineral · Mohs 3.5yellow, yellowish-green
Sengieriteraremineral · Mohs 2-3yellow, greenish-yellow- No imageSenkevichiteraremineral · Mohs 5yellow, brown, tan
Seranditeraremineral · Mohs 4.5-5pink, orange, red
Serendibiteraremineral · Mohs 6.5-7blue, blue-green, black
Sergeeviteraremineral · Mohs 2-3white, colorless, pale yellow
Serrabrancaiteraremineral · Mohs 3.5white, colorless, pale yellow- No imageSewarditeraremineral · Mohs 3-4dark green, yellow-green
- No imageShabaite-(Nd)raremineral · Mohs 3yellow, pale yellow, orange-yellow
Shabyniteraremineral · Mohs 2-3white, colorless
Shadluniteraremineral · Mohs 3.5-4brass-yellow, bronze
Shafranovskiteraremineral · Mohs 2yellow, golden yellow
Shakhoviteraremineral · Mohs 2-3yellow, orange-yellow
Shanditeraremineral · Mohs 3.5bronze, pale brass-yellow- No imageShannoniteraremineral · Mohs 3yellow, greenish-yellow
Sharpiteraremineral · Mohs 2-3yellow, yellowish-green
Sharyginiteraremineral · Mohs 5-6black, brown
Shcherbakoviteraremineral · Mohs 5-6reddish-brown, brown, yellow-brown
Shcherbinaiteraremineral · Mohs 1.5-2yellow, yellowish-orange- No imageShchurovskyiteraremineral · Mohs 3.5yellow, greenish-yellow
- No imageSheldrickiteraremineral · Mohs 3yellow, yellow-orange, brown
Shenzhuangiteraremineral · Mohs 3.5-4white, pale yellow
Sherwooditeraremineral · Mohs 2blue, turquoise- No imageShibkoviteraremineral · Mohs 5-6colorless, white
Shigaiteraremineral · Mohs 2.5yellow, golden yellow, orange yellow
Shiloviteraremineral · Mohs 2blue- No imageShimazakiiteraremineral · Mohs 3.5colorless, white, pale yellow
- No imageShirokshiniteraremineral · Mohs 2.5-3white, colorless
- No imageShirozuliteraremineral · Mohs 2.5-3brown, dark brown
Shkatulkaliteraremineral · Mohs 4-5yellow, brown, yellowish-brown- No imageShlykoviteraremineral · Mohs 3-4white, colorless
Shocked Quartzraremineral · Mohs 7clear, white, gray
Shomiokite-(Y)raremineral · Mohs 3colorless, white, pale yellow
Shortiteraremineral · Mohs 3colorless, white, yellow- No imageShosanbetsuiteraremineral · Mohs 3.5-4white, colorless, yellow
- No imageShuangfengiteraremineral · Mohs 5.5silver-white, gray
Shuiskite-(Cr)raremineral · Mohs 6dark green, blackish green- No imageShuiskite-(Mg)raremineral · Mohs 6dark green, olive green, blackish green
- No imageShulamititeraremineral · Mohs 5-6black, brown
Shumwayiteraremineral · Mohs 2yellow, yellow-green- No imageShuvaloviteraremineral · Mohs 2.5white, colorless
Sibirskiteraremineral · Mohs 3-4white, colorless, gray- No imageSicheriteraremineral · Mohs 2.5dark gray, lead gray
Siderazotraremineral · Mohs 3-4black, gray
Sideronatriteraremineral · Mohs 2.5yellow, pale yellow, golden yellow
Sidorenkiteraremineral · Mohs 4pink, yellowish-white, colorless- No imageSidpietersiteraremineral · Mohs 2yellow, yellowish-orange
Sidwilliteraremineral · Mohs 2yellow, brownish-yellow
Sieleckiiteraremineral · Mohs 3blue, azure-blue
Sigismunditeraremineral · Mohs 4yellow-brown, brown, dark brown
Sigloiteraremineral · Mohs 3.5yellow, brownish-yellow, colorless
Silesiaiteraremineral · Mohs 6.5-7yellow, brown, greenish
Silhydriteraremineral · Mohs 1-2white, colorless- No imageSilicified Mastodon Tusksrarefossil · Mohs 6.5-7white, cream, tan
Silicocarnotiteraremineral · Mohs 4.5colorless, white, pale yellow- No imageSilinaiteraremineral · Mohs 2.5white, colorless
Silléniteraremineral · Mohs 3.5-4yellow, yellowish-orange, brown- No imageSilvialiteraremineral · Mohs 5-6white, colorless, gray
- No imageSimferiteraremineral · Mohs 4-5dark brown, brownish-red, yellow-brown
- No imageSimmonsiteraremineral · Mohs 3.5colorless, white, pale yellow
Simonelliteraremineral · Mohs 1-2colorless, white, yellowish- No imageSimoniteraremineral · Mohs 1.5-2orange, reddish-orange
Simonkolleiteraremineral · Mohs 2.5white, colorless, pale gray- No imageSimplotiteraremineral · Mohs 1dark brown, blackish-brown
Simpsoniteraremineral · Mohs 6-7yellow, brown, colorless
Sincositeraremineral · Mohs 2bright green, olive green
Sinhaliteraremineral · Mohs 6.5-7yellow, brown, greenish-brown- No imageSinjariteraremineral · Mohs 2colorless, white
Sinkankasiteraremineral · Mohs 3.5colorless, white, pale yellow
Sinneriteraremineral · Mohs 3.5gray, black
Sinoiteraremineral · Mohs 5.5white, colorless, gray
Sitinakiteraremineral · Mohs 3-4colorless, white
Siudaiteraremineral · Mohs 5-6yellow, yellowish-brown- No imageSiwaqaiteraremineral · Mohs 3white, colorless
- No imageSkaergaarditeraremineral · Mohs 3.5white
Skinneriteraremineral · Mohs 2.5-3gray, black
Skippeniteraremineral · Mohs 1.5-2lead-gray, silver-white
Skorpioniteraremineral · Mohs 3white, colorless
Slavíkiteraremineral · Mohs 2.5yellow, yellow-green- No imageSlavkoviteraremineral · Mohs 3white, colorless, pale blue
Slawsoniteraremineral · Mohs 6colorless, white, gray
Sleeping Beauty Turquoiseraregemstone · Mohs 5-6sky blue, robins egg blue- No imageŠlikiteraremineral · Mohs 2white, colorless
- No imageSmamiteraremineral · Mohs 3.5colorless, white
Smirniteraremineral · Mohs 3yellow, brownish-yellow- No imageSmirnovskiteraremineral · Mohs 4-5yellow, brown
Smithiteraremineral · Mohs 1.5-2bright red, reddish-orange
Smolyaninoviteraremineral · Mohs 2-3yellow, yellowish-orange
Smrkoveciteraremineral · Mohs 3.5-4yellow, yellowish-orange
Smythiteraremineral · Mohs 3.5bronze, brown, gray
Soboleviteraremineral · Mohs 4-5yellow, brown, colorless
Sobolevskiteraremineral · Mohs 3.5white, pinkish-white
Soddyiteraremineral · Mohs 3.5yellow, yellow-orange, brownish-yellow
Sofiiteraremineral · Mohs 1.5-2yellow, colorless, pale yellow
Sogdianiteraremineral · Mohs 6violet, purple, blue
Söhngeiteraremineral · Mohs 3.5colorless, white, pale yellow- No imageSokolovaiteraremineral · Mohs 2.5colorless, white, pinkish
Solongoiteraremineral · Mohs 3.5white, colorless, yellow- No imageSomersetiteraremineral · Mohs 2white, colorless
- No imageSonoliteraremineral · Mohs 6yellow, orange, brownish-red
Sonoraiteraremineral · Mohs 2-3green, yellow-green
Sopcheiteraremineral · Mohs 2.5grayish-white, silver-white
Sorbyiteraremineral · Mohs 3.5lead-gray, grayish-white
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