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 1201–1320 of 4900 rare entries (page 11 of 41).
- No imageErikapohliteraremineral · Mohs 3-4dark green, blackish green
- No imageErikjonssoniteraremineral · Mohs 2yellow, yellowish-orange
- No imageEringaiteraremineral · Mohs 6.5-7emerald-green
Eriochalciteraremineral · Mohs 2.5blue, blue-green- No imageErionite-Cararemineral · Mohs 3.5-4white, colorless, yellowish
- No imageErionite-Nararemineral · Mohs 3.5-4white, colorless, yellow
Erlianiteraremineral · Mohs 3-4brown, yellowish-brown, dark brown
Erlichmaniteraremineral · Mohs 5-6lead-gray, iron-black
Ernienickeliteraremineral · Mohs 2-3black- No imageErniggliiteraremineral · Mohs 3.5black
- No imageErnstburkeiteraremineral · Mohs 2yellow, pale yellow
Ernstiteraremineral · Mohs 5yellow, yellow-orange, reddish-brown
Ershoviteraremineral · Mohs 2-3yellow, brownish-yellow
Ertixiiteraremineral · Mohs 5.5-6colorless, white, gray
Erythrosideriteraremineral · Mohs 2.5red, dark red, orange-red
Erzwiesiteraremineral · Mohs 3-3.5lead-gray, black
Escheiteraremineral · Mohs 4pink, red, white- No imageEskeborniteraremineral · Mohs 3-3.5brass-yellow, bronze
Eskimoiteraremineral · Mohs 2.5-3lead-gray, steel-gray
Eskolaiteraremineral · Mohs 8.5emerald green, dark green, blackish green- No imageEspadaiteraremineral · Mohs 2-3yellow, pale yellow
- No imageEsperanzaiteraremineral · Mohs 3-4yellow, yellowish-green, colorless
Esperiteraremineral · Mohs 5white, yellow, colorless
Esquireiteraremineral · Mohs 3.5colorless, white
Esseneiteraremineral · Mohs 6brown, dark brown, reddish-brown
Eucairiteraremineral · Mohs 2.5lead-gray, silver-white
Euchlorineraremineral · Mohs 3emerald-green, yellow-green
Euchroiteraremineral · Mohs 3.5-4emerald-green, dark green, leek-green
Euclaseraremineral · Mohs 7.5colorless, blue, greenish-blue
Eucryptiteraremineral · Mohs 6.5white, colorless, gray
Eudidymiteraremineral · Mohs 5.5-6white, colorless, gray
Eugeniteraremineral · Mohs 3silver-white
Eugsteriteraremineral · Mohs 2.5colorless, white
Eulytineraremineral · Mohs 4.5yellow, brown, gray
Eurekadumpiteraremineral · Mohs 2.5bright yellow, greenish yellow
Euxenite-(Y)raremineral · Mohs 5.5-6.5black, brownish-black, brown- No imageEvdokimoviteraremineral · Mohs 2yellow, orange-yellow
Eveiteraremineral · Mohs 3.5-4green, yellowish-green
Evenkiteraremineral · Mohs 1-1.5colorless, white, yellow- No imageEveslogiteraremineral · Mohs 5-6white, pale pink, colorless
Ewalditeraremineral · Mohs 3.5white, pale green, pale yellow
Ewingiteraremineral · Mohs 2yellow, greenish-yellow
Eylettersiteraremineral · Mohs 5white, colorless, yellowish- No imageEyseliteraremineral · Mohs 3yellow, yellow-orange, brown
Ezcurriteraremineral · Mohs 2white, colorless
Eztliteraremineral · Mohs 1-2pale yellow, yellowish white- No imageFabianiteraremineral · Mohs 6colorless, white
Fabrièsiteraremineral · Mohs 4.5colorless, white, yellowish- No imageFaheyiteraremineral · Mohs 3white, pale yellow
Fahleiteraremineral · Mohs 3.5yellow, yellowish-green
Fairbankiteraremineral · Mohs 2.5colorless, white, yellowish
Fairburn Agateraremineral · Mohs 6.5-7red, yellow, brown
Fairchilditeraremineral · Mohs 3colorless, white, gray- No imageFaizieviteraremineral · Mohs 6yellow, pale yellow
Falcondoiteraremineral · Mohs 2green, pale green- No imageFalgariteraremineral · Mohs 3-4white, yellow, brown
Falkmaniteraremineral · Mohs 2.5lead-gray, steel-gray- No imageFalottaiteraremineral · Mohs 3yellow, brownish-yellow
- No imageFalsteriteraremineral · Mohs 2-3white, colorless
- No imageFanfaniiteraremineral · Mohs 3.5colorless, white, pale yellow
Fangiteraremineral · Mohs 2yellow, orange-yellow- No imageFantappièiteraremineral · Mohs 5-6colorless, white
- No imageFarneseiteraremineral · Mohs 5-6white, colorless
- No imageFarringtoniteraremineral · Mohs 6-7colorless, white, pale yellow
Fassinaiteraremineral · Mohs 2colorless, white, pale yellow- No imageFaujasite-Cararemineral · Mohs 5colorless, white, yellowish
- No imageFaujasite-Mgraremineral · Mohs 5white, colorless, yellowish
Faujasite-Nararemineral · Mohs 5white, colorless, yellowish
Faustiteraremineral · Mohs 5-6apple-green, yellow-green, light green
Favreauiteraremineral · Mohs 2blue, greenish-blue
Fedoriteraremineral · Mohs 3-4colorless, white, pale yellow
Fedorovskiteraremineral · Mohs 3.5white, colorless, yellowish-white
Fedotoviteraremineral · Mohs 2-3green, bluish-green- No imageFeiiteraremineral · Mohs 5-6black, brownish-black
Feinglositeraremineral · Mohs 3yellow, brownish yellow
Feitknechtiteraremineral · Mohs 2.5brown, black, orange-brown- No imageFeklicheviteraremineral · Mohs 5yellow, brown, reddish-brown
- No imageFelbertaliteraremineral · Mohs 3-3.5dark gray, lead-gray, black
Felsőbányaiteraremineral · Mohs 2white, colorless, pale yellow
Fenaksiteraremineral · Mohs 5-6pink, reddish-brown
Fencooperiteraremineral · Mohs 3-4dark brown, reddish brown- No imageFengchengiteraremineral · Mohs 6.5-7.5yellow, brown, reddish-brown
- No imageFeodosiyiteraremineral · Mohs 1.5-2white, colorless
Ferchromideraremineral · Mohs 5-6silver-white, gray- No imageFerdowsiiteraremineral · Mohs 2gray, white
- No imageFergusonite-(Ce)raremineral · Mohs 5.5-6.5brown, black, yellow
Fergusonite-(Y)raremineral · Mohs 5.5-6.5black, brownish-black, yellowish-brown- No imageFerhodsiteraremineral · Mohs 5-6white, silver-white
- No imageFermiiteraremineral · Mohs 2yellow, yellow-orange
Fernandiniteraremineral · Mohs 1-2dark green, blackish green
Feroxyhyteraremineral · Mohs 2red-brown, brown
Ferraioloiteraremineral · Mohs 2-3yellow, yellow-orange
Ferrarisiteraremineral · Mohs 2white, colorless, pale pink
Ferri-fluoro-katophoriteraremineral · Mohs 5-6dark green, black, brownish-black- No imageFerri-fluoro-leakeiteraremineral · Mohs 6dark green, black
Ferri-ghoseiteraremineral · Mohs 5-6dark brown, brownish-black
Ferri-kaersutiteraremineral · Mohs 5-6black, dark brown
Ferri-katophoriteraremineral · Mohs 5-6dark green, black, brownish black
Ferri-leakeiteraremineral · Mohs 5-6dark blue, dark green, black
Ferri-mottanaite-(Ce)raremineral · Mohs 6yellow, brown, reddish-brown
Ferri-obertiiteraremineral · Mohs 5-6black, dark brown- No imageFerri-pedriziteraremineral · Mohs 5-6black, dark brown, dark green
Ferri-taramiteraremineral · Mohs 5-6black, dark green, brown- No imageFerri-winchiteraremineral · Mohs 5-6blue, violet, brown
Ferriakasakaite-(Ce)raremineral · Mohs 6-6.5black, brown
Ferriakasakaite-(La)raremineral · Mohs 6-7black, brownish-black
Ferriallanite-(Ce)raremineral · Mohs 6-6.5black, brown- No imageFerriallanite-(La)raremineral · Mohs 5.5-6black, brownish-black
Ferriandrosite-(Ce)raremineral · Mohs 6-6.5black, brownish-black
Ferriandrosite-(La)raremineral · Mohs 6-6.5black, dark brown
Ferribushmakiniteraremineral · Mohs 3yellow, yellow-green- No imageFerricerite-(LaCa)raremineral · Mohs 5.5-6black, brownish-black, dark brown
Ferricoronaditeraremineral · Mohs 6-7black, brownish-black
Ferrierite-Mgraremineral · Mohs 3.5-4white, colorless, pale yellow
Ferrierite-Nararemineral · Mohs 3-3.5white, colorless, pale yellow
Ferrierite-NH4raremineral · Mohs 3-3.5white, colorless, yellowish
Ferrihollanditeraremineral · Mohs 6black, gray
Ferrilotharmeyeriteraremineral · Mohs 4-5yellow, yellowish-orange, brown
Ferrinatriteraremineral · Mohs 2.5pale yellow, yellowish white, colorless- No imageFerriperbøeite-(Ce)raremineral · Mohs 6-6.5black, dark brown
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