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 1441–1560 of 4900 rare entries (page 13 of 41).
- No imageFluorescent Villiaumiteraremineral · Mohs 2-2.5red, pink, carmine
- No imageFluorkyuygeniteraremineral · Mohs 5-6yellow, yellowish-orange
Fluorlamprophylliteraremineral · Mohs 3brown, yellow-brown, golden-brown- No imageFluormayeniteraremineral · Mohs 5.5-6colorless, white, pale yellow
- No imageFluornatrocoulselliteraremineral · Mohs 5-6pink, reddish, brown
Fluornatromicroliteraremineral · Mohs 5-5.5yellow, brown, orange
Fluornatropyrochloreraremineral · Mohs 5-5.5yellow, brown, reddish-brown- No imageFluoro-cannilloiteraremineral · Mohs 5-6brown, yellow-brown
Fluoro-edeniteraremineral · Mohs 5-6white, gray, pale green- No imageFluoro-leakeiteraremineral · Mohs 6deep blue, violet-blue, dark blue
- No imageFluoro-nybøiteraremineral · Mohs 5-6blue, violet, greenish-blue
- No imageFluoro-pargasiteraremineral · Mohs 5-6dark green, brownish green, brown
- No imageFluoro-pedriziteraremineral · Mohs 7green, blue, violet
Fluoro-richteriteraremineral · Mohs 5-6white, brown, yellow
Fluoro-taramiteraremineral · Mohs 5-6black, dark green- No imageFluorocroniteraremineral · Mohs 5colorless, white, gray
- No imageFluorokinoshitaliteraremineral · Mohs 2.5-3yellow, brown, white
- No imageFluorotetraferriphlogopiteraremineral · Mohs 2.5-3brown, yellowish-brown, dark brown
- No imageFluorowarditeraremineral · Mohs 4colorless, white, pale yellow
- No imageFluorphosphohedyphaneraremineral · Mohs 5colorless, white, yellowish
- No imageFluorstrophiteraremineral · Mohs 5white, colorless
- No imageFluorvesuvianiteraremineral · Mohs 6.5brown, yellow-brown, greenish-brown
Fluorwavelliteraremineral · Mohs 3.5-4colorless, white, yellow
Flurliteraremineral · Mohs 2-3yellow, yellow-orange
Foggiteraremineral · Mohs 3-4white, colorless, pale yellow
Fogoite-(Y)raremineral · Mohs 5-6yellow, brown, colorless
Foititeraremineral · Mohs 7dark blue, black, violet-blue- No imageFontaniteraremineral · Mohs 2-3white, colorless, yellowish
Fontarnauiteraremineral · Mohs 2colorless, white
Foorditeraremineral · Mohs 6-6.5black, brownish-black
Footemineiteraremineral · Mohs 3.5colorless, white, pink
Forêtiteraremineral · Mohs 2-3green, yellowish-green
Formanite-(Y)raremineral · Mohs 5.5-6.5yellow, brown, reddish-brown
Formicaiteraremineral · Mohs 2-3white, colorless, yellowish
Fornaciteraremineral · Mohs 3yellow, yellow-green, brown
Foshagiteraremineral · Mohs 3white, colorless, gray
Fossil Spiderrarefossilamber, brown, black
Fougèriteraremineral · Mohs 2green, blue-green, pale green
Fourmarieriteraremineral · Mohs 3-4red, orange, reddish-brown
Fowleriteraremineral · Mohs 5.5-6.5pink, reddish-pink, brownish-pink
Fraipontiteraremineral · Mohs 2-3white, pale yellow, green
Francevilliteraremineral · Mohs 2.5yellow, orange-yellow
Franciscaniteraremineral · Mohs 5.5red, brownish-red, orange-red
Francisiteraremineral · Mohs 3.5green, blue-green
Franckeiteraremineral · Mohs 2.5-3black, dark gray
Francoanelliteraremineral · Mohs 2white, colorless- No imageFrançoisite-(Ce)raremineral · Mohs 3yellow, orange-yellow
Françoisite-(Nd)raremineral · Mohs 3yellow, yellowish-orange
Franconiteraremineral · Mohs 2white, yellowish-white, colorless
Frankameniteraremineral · Mohs 5-6white, pale blue, pale yellow- No imageFrankdicksoniteraremineral · Mohs 4colorless, white
- No imageFrankhawthorneiteraremineral · Mohs 3-4dark green, black
- No imageFranklinfurnaceiteraremineral · Mohs 3dark brown, black
- No imageFranklinphiliteraremineral · Mohs 3-4white, colorless, yellowish
Fransoletiteraremineral · Mohs 3white, colorless
Franziniteraremineral · Mohs 5-6colorless, white, pale blue- No imageFrebolditeraremineral · Mohs 3.5-4dark gray, grayish white
Fredrikssoniteraremineral · Mohs 6yellow, brown, orange-brown
Freediteraremineral · Mohs 2yellow, orange-yellow
Freieslebeniteraremineral · Mohs 2-2.5lead-gray, steel-gray, silver-white
Fresnoiteraremineral · Mohs 3yellow, yellow-orange, colorless
Freudenbergiteraremineral · Mohs 5-6brown, black
Friedeliteraremineral · Mohs 4-5pink, brown, red- No imageFriedrichbeckeiteraremineral · Mohs 6colorless, white
Friedrichiteraremineral · Mohs 3lead-gray, steel-gray
Fritzscheiteraremineral · Mohs 2-2.5reddish-brown, orange-red, yellow-orange
Frohbergiteraremineral · Mohs 3.5white, pale rose, gray
Froloviteraremineral · Mohs 3white, colorless
Frondeliteraremineral · Mohs 3.5-4yellow, brown, orange-brown
Frooditeraremineral · Mohs 2.5white, silver-white
Fuenzalidaiteraremineral · Mohs 3.5yellow, brown
Fuettereriteraremineral · Mohs 3pale green, yellow-green- No imageFukaliteraremineral · Mohs 4white, colorless, pale yellow
Fukuchiliteraremineral · Mohs 3-4brass-yellow, yellowish-white
Fülöppiteraremineral · Mohs 2.5lead-gray, iron-black
Furongiteraremineral · Mohs 2yellow, golden-yellow
Furutobeiteraremineral · Mohs 2.5-3lead-gray, black
Gabrieliteraremineral · Mohs 2dark red, brownish-red- No imageGabrielsoniteraremineral · Mohs 4.5yellow, brownish-yellow
Gadolinite-(Ce)raremineral · Mohs 6.5-7black, brownish-black, greenish-black
Gadolinite-(Y)raremineral · Mohs 6.5-7black, brownish-black, greenish-black- No imageGagarinite-(Ce)raremineral · Mohs 4.5pink, white, yellowish
Gagarinite-(Y)raremineral · Mohs 4.5white, yellow, pink
Gageiteraremineral · Mohs 3pink, colorless, yellowish-pink
Gaidonnayiteraremineral · Mohs 5white, yellow, brown- No imageGaildunningiteraremineral · Mohs 2yellow, brownish-yellow
Gainesiteraremineral · Mohs 4colorless, white, yellowish-white
Gaititeraremineral · Mohs 3.5colorless, white, pale pink- No imageGajardoiteraremineral · Mohs 2-3yellow, greenish-yellow
Galaxiteraremineral · Mohs 7.5black, brownish-black, reddish-brown
Galeiteraremineral · Mohs 3colorless, white, yellow
Galenobismutiteraremineral · Mohs 2.5-3lead-gray, tin-white- No imageGalgenbergite-(Ce)raremineral · Mohs 4-4.5yellow, brown, tan
- No imageGalileiiteraremineral · Mohs 5colorless, white, pale yellow
Galkhaiteraremineral · Mohs 3orange, red, yellow-orange- No imageGalliskiiteraremineral · Mohs 3.5colorless, white
Galliteraremineral · Mohs 3-3.5gray, dark gray, blackish-gray- No imageGallobeudantiteraremineral · Mohs 3.5-4yellow, greenish-yellow, brown
Galloplumbogummiteraremineral · Mohs 4-5yellow, brown, white- No imageGaluskiniteraremineral · Mohs 5-6colorless, white, pale yellow
Gamagariteraremineral · Mohs 4dark brown, black- No imageGananiteraremineral · Mohs 3yellow, pale yellow
Ganomaliteraremineral · Mohs 3colorless, white, grayish
Ganophylliteraremineral · Mohs 3-4brown, yellowish-brown- No imageGanteriteraremineral · Mohs 2.5white, colorless, gray
- No imageGaotaiiteraremineral · Mohs 3.5white, pale yellow
Garavelliteraremineral · Mohs 3.5steel-gray, silver-white- No imageGarmiteraremineral · Mohs 3.5white, colorless, gray
Garrelsiteraremineral · Mohs 5-6colorless, white, yellowish
Garronite-Cararemineral · Mohs 4.5white, colorless, yellowish
Garronite-Nararemineral · Mohs 4.5white, colorless, yellowish
Gartrelliteraremineral · Mohs 4bright green, yellow-green, emerald green- No imageGarutiiteraremineral · Mohs 4.5-5white, silver-white
- No imageGaryanselliteraremineral · Mohs 3.5yellow, brownish-yellow, pale brown
Gasparite-(Ce)raremineral · Mohs 5yellow, brownish-yellow, reddish-brown- No imageGasparite-(La)raremineral · Mohs 5yellow, brown, white
Gaspéiteraremineral · Mohs 4.5-5apple green, bright green, yellowish green- No imageGatedaliteraremineral · Mohs 3.5-4yellow, brownish-yellow
Gatehouseiteraremineral · Mohs 3-4orange, brownish-orange- No imageGatelite-(Ce)raremineral · Mohs 5.5brown, yellow-brown
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