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 721–840 of 4900 rare entries (page 7 of 41).
Cerchiaraite-(Al)raremineral · Mohs 4yellow, brown, colorless
Cerchiaraite-(Fe)raremineral · Mohs 4yellow, brown- No imageCerchiaraite-(Mn)raremineral · Mohs 4yellow, brown, orange-brown
Cerianite-(Ce)raremineral · Mohs 6.5yellow, yellowish-brown, grayish-white
Cerite-(CeCa)raremineral · Mohs 5.5brown, reddish-brown, gray
Černýiteraremineral · Mohs 3.5black, grayish-black
Cerromojoniteraremineral · Mohs 2dark gray, lead gray
Ceruleiteraremineral · Mohs 5-6blue, sky-blue, pale blue
Cervandonite-(Ce)raremineral · Mohs 4-5black, brownish-black- No imageCervelleiteraremineral · Mohs 2.5gray, black
Cesaniteraremineral · Mohs 5white, colorless
Césarferreiraiteraremineral · Mohs 2yellow, yellow-brown
Cesàroliteraremineral · Mohs 4dark gray, black
Cesbroniteraremineral · Mohs 2emerald green, bright green- No imageCesiodymiteraremineral · Mohs 2.5-3colorless, white
Cesplumtantiteraremineral · Mohs 5-6colorless, white, pale yellow
Cetineiteraremineral · Mohs 2red, orange-red- No imageChabazite-Mgraremineral · Mohs 4-5white, colorless, yellow
Chabazite-Srraremineral · Mohs 4-5white, colorless, pink
Chabournéiteraremineral · Mohs 3-3.5dark gray, black- No imageChadwickiteraremineral · Mohs 2-3yellow, greenish-yellow
- No imageChaidamuiteraremineral · Mohs 2-3yellow, greenish-yellow
Chalcocyaniteraremineral · Mohs 2.5blue, pale blue
Chalcomeniteraremineral · Mohs 2.5blue, blue-green
Chalconatroniteraremineral · Mohs 2.5blue, blue-green
Chalcophylliteraremineral · Mohs 2emerald-green, grass-green, blue-green
Chalcosideriteraremineral · Mohs 4.5green, yellow-green, blue-green
Chalcostibiteraremineral · Mohs 3-4lead-gray, steel-gray, iron-black
Chalcothalliteraremineral · Mohs 2.5dark gray, black
Challacolloiteraremineral · Mohs 2white, colorless
Chambersiteraremineral · Mohs 7violet, purple, dark brown
Chaméaniteraremineral · Mohs 3-3.5dark gray, black
Chanabayaiteraremineral · Mohs 2blue, green
Changbaiiteraremineral · Mohs 3.5colorless, white- No imageChangchengiteraremineral · Mohs 3.5gray, white
Changoiteraremineral · Mohs 2.5colorless, white
Chantaliteraremineral · Mohs 4.5colorless, white
Chaoiteraremineral · Mohs 1-2white, gray
Chapmaniteraremineral · Mohs 2.5yellow, yellowish-green, green- No imageCharleshatchettiteraremineral · Mohs 4-5yellow, brown, white
Charlesiteraremineral · Mohs 2.5white, colorless, pale yellow
Charmariteraremineral · Mohs 2white, pale blue, pale green
Charoiteraremineral · Mohs 5-6lavender, violet, purple
Chatkaliteraremineral · Mohs 3.5-4pinkish-brown, light copper-red
Chayesiteraremineral · Mohs 6yellow, yellow-brown
Chegemiteraremineral · Mohs 6white, colorless, pale yellow
Chekhovichiteraremineral · Mohs 2-3yellow, brownish-yellow
Chelkariteraremineral · Mohs 3-4colorless, white
Chenevixiteraremineral · Mohs 3.5green, yellow-green, dark green- No imageChengdeiteraremineral · Mohs 3.5-4white, silver-white
Chenguodaiteraremineral · Mohs 3-3.5silver-white
Cheniteraremineral · Mohs 2.5green, yellowish-green- No imageChenmingiteraremineral · Mohs 6black, gray
- No imageCheraliteraremineral · Mohs 5yellow, brown, greenish-yellow
- No imageCheremnykhiteraremineral · Mohs 3yellow, brownish-yellow
Cherepanoviteraremineral · Mohs 5-6pinkish-white, silver-white
Chernikoviteraremineral · Mohs 2.5yellow, lemon-yellow
Chernovite-(Y)raremineral · Mohs 4-5yellow, brownish-yellow, yellowish-brown
Chernykhiteraremineral · Mohs 2.5-3dark green, black
Chervetiteraremineral · Mohs 3.5yellow, yellowish-orange
Chesnokoviteraremineral · Mohs 2colorless, white- No imageChessexiteraremineral · Mohs 2white, colorless
Chesteriteraremineral · Mohs 5-6dark brown, brownish-black
Chestermaniteraremineral · Mohs 6black, brown
Chevkinite-(Ce)raremineral · Mohs 5-6black, dark brown, brownish-black
Chiappinoite-(Y)raremineral · Mohs 4white, colorless
Chiavenniteraremineral · Mohs 5yellow, yellowish-orange, brown
Chibaiteraremineral · Mohs 7colorless, white- No imageChihuahuaiteraremineral · Mohs 7-7.5yellow, yellow-green
- No imageChiluiteraremineral · Mohs 2yellow, yellow-brown
- No imageChinchorroiteraremineral · Mohs 2-3yellow, yellowish-green
Chioliteraremineral · Mohs 3.5-4white, colorless- No imageChirvinskyiteraremineral · Mohs 3-4yellow, yellowish-brown, brown
- No imageChistyakovaiteraremineral · Mohs 2-3yellow, greenish-yellow
Chivruaiiteraremineral · Mohs 5yellow, brownish-yellow, orange-yellow
Chkaloviteraremineral · Mohs 6colorless, white, gray- No imageChladniiteraremineral · Mohs 4-5yellow, yellowish-brown, colorless
- No imageChloraluminiteraremineral · Mohs 2.5white, colorless
Chlorapatiteraremineral · Mohs 5white, colorless, pale green
Chlorartiniteraremineral · Mohs 2white, colorless- No imageChlorastroliteraregemstone · Mohs 5-6green, bluish-green
Chlorbartoniteraremineral · Mohs 3-3.5dark green, olive green, black- No imageChlorellestaditeraremineral · Mohs 5colorless, white, yellowish
- No imageChlorkyuygeniteraremineral · Mohs 5-6yellow, brown
- No imageChlormagaluminiteraremineral · Mohs 2white, colorless, pale yellow
- No imageChlormanganokaliteraremineral · Mohs 2.5colorless, white, yellowish
Chlormayeniteraremineral · Mohs 6colorless, white, yellowish- No imageChlorocalciteraremineral · Mohs 2.5white, colorless, yellow
- No imageChloromagnesiteraremineral · Mohs 1white, colorless
- No imageChloromeniteraremineral · Mohs 2.5green
Chlorophoeniciteraremineral · Mohs 3-3.5pink, reddish-pink, yellowish-orange
Chlorothioniteraremineral · Mohs 2.5blue, blue-green
Chloroxiphiteraremineral · Mohs 2.5dark olive-green, pistachio-green
Choloaliteraremineral · Mohs 3yellow, greenish-yellow- No imageChongiteraremineral · Mohs 2-3white, colorless
- No imageChopiniteraremineral · Mohs 4.5colorless, white, pale yellow
- No imageChovaniteraremineral · Mohs 3-3.5lead-gray, black
Chrisstanleyiteraremineral · Mohs 2.5white, light gray
Christeliteraremineral · Mohs 2.5colorless, white
Christiteraremineral · Mohs 1.5-2red, deep red- No imageChristofschäferite-(Ce)raremineral · Mohs 5yellow, brown
Chromatiteraremineral · Mohs 2.5-3yellow, yellowish-orange- No imageChrombismiteraremineral · Mohs 4dark brown, black
- No imageChromceladoniteraremineral · Mohs 2bright green, bluish green
Chromferideraremineral · Mohs 5-6white, silver-white
Chromio-pargasiteraremineral · Mohs 5-6emerald green, deep green- No imageChromium-draviteraremineral · Mohs 7-7.5emerald green, deep green
Chromo-alumino-povondraiteraremineral · Mohs 7dark brown, black- No imageChromphylliteraremineral · Mohs 2.5-3emerald-green, bright green
- No imageChromschieffeliniteraremineral · Mohs 2yellow, greenish-yellow
- No imageChrysothalliteraremineral · Mohs 2green, yellow-green
- No imageChubaroviteraremineral · Mohs 2colorless, white
Chudobaiteraremineral · Mohs 2colorless, white, pinkish-white- No imageChukanoviteraremineral · Mohs 3.5pale green, white, colorless
- No imageChukhrovite-(Ca)raremineral · Mohs 3-4white, colorless, violet
- No imageChukhrovite-(Ce)raremineral · Mohs 3-4white, colorless, pale violet
- No imageChukhrovite-(Nd)raremineral · Mohs 3-4white, pale pink, pale yellow
Chukhrovite-(Y)raremineral · Mohs 3-4white, colorless, violet
Churchite-(Y)raremineral · Mohs 3white, colorless, pale yellow
Chursiniteraremineral · Mohs 2colorless, white, pale yellow
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