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 241–360 of 4900 rare entries (page 3 of 41).
Aschamalmiteraremineral · Mohs 2.5-3lead-gray, grayish-black
Ashburtoniteraremineral · Mohs 3-4colorless, white, pale blue
Ashcroftine-(Y)raremineral · Mohs 3.5pink, rose-red, colorless
Ashoveriteraremineral · Mohs 3colorless, white- No imageAsimowiteraremineral · Mohs 6blue, pale blue
Asisiteraremineral · Mohs 2bright yellow, lemon yellow- No imageÅskagenite-(Nd)raremineral · Mohs 6.5black, brown
- No imageAspedamiteraremineral · Mohs 5.5-6brown, black
- No imageAspidoliteraremineral · Mohs 2.5colorless, pale yellow, brown
Asselborniteraremineral · Mohs 3yellow, brownish-yellow
Astrocyanite-(Ce)raremineral · Mohs 2blue
Atelestiteraremineral · Mohs 4.5-5yellow, yellow-green, sulfur-yellow- No imageAtelisite-(Y)raremineral · Mohs 6-7yellow, brown, black
Atencioiteraremineral · Mohs 4yellow, brown, greenish-yellow
Athabascaiteraremineral · Mohs 3silver-white, gray
Atheneiteraremineral · Mohs 3.5white, pale yellow- No imageAtlasoviteraremineral · Mohs 3-4black, dark brown
Atokiteraremineral · Mohs 3.5-4silver-white, gray
Attakoliteraremineral · Mohs 3.5-4yellow, brown, reddish-brown
Attikaiteraremineral · Mohs 2green, yellowish-green
Aubertiteraremineral · Mohs 2blue, pale blue
Augeliteraremineral · Mohs 4.5-5colorless, white, yellowish
Auriacusiteraremineral · Mohs 3.5yellow, brownish-yellow
Auricuprideraremineral · Mohs 3-3.5yellow, gold
Aurihydrargyrumiteraremineral · Mohs 3.5gold, yellow- No imageAurivilliusiteraremineral · Mohs 2yellow, brownish-yellow
Auroriteraremineral · Mohs 1.5dark brown, black
Aurostibiteraremineral · Mohs 3white, pale yellow
Avdoniniteraremineral · Mohs 2blue, green-blue- No imageAverieviteraremineral · Mohs 2.5dark green, blackish-green
Avicenniteraremineral · Mohs 6black, grayish-black
Avogadriteraremineral · Mohs 2.5colorless, white
Awaruiteraremineral · Mohs 5white, gray, yellow-white- No imageAxeliteraremineral · Mohs 4.5-5white, colorless, pink
Axinite-(Mg)raremineral · Mohs 6.5-7brown, violet, yellow
Azoproiteraremineral · Mohs 5.5black, dark brown
Babánekiteraremineral · Mohs 1.5-2pale green, bluish green, white- No imageBabefphiteraremineral · Mohs 3.5colorless, white, pale yellow
- No imageBabkiniteraremineral · Mohs 2.5lead-gray, tin-white
- No imageBackiteraremineral · Mohs 2.5-3yellow, yellowish-orange
- No imageBadakhshanite-(Y)raremineral · Mohs 6.5-7.5black, brown
- No imageBadaloviteraremineral · Mohs 7-7.5dark brown, reddish-brown
Bafertisiteraremineral · Mohs 3brown, yellowish-brown, reddish-brown
Baghdaditeraremineral · Mohs 5-6colorless, white, pale yellow- No imageBahianiteraremineral · Mohs 8.5yellow, yellowish-brown, colorless
- No imageBaileychloreraremineral · Mohs 2.5-3dark green, olive green, blackish green
- No imageBairditeraremineral · Mohs 3.5yellow, pale yellow
Bakhchisaraitseviteraremineral · Mohs 3.5colorless, white, pale yellow
Baksaniteraremineral · Mohs 2steel-gray, lead-gray
Balangeroiteraremineral · Mohs 3.5brown, reddish-brown- No imageBalestraiteraremineral · Mohs 2.5-3colorless, white
- No imageBalićžunićiteraremineral · Mohs 1.5-2dark gray, black
Balipholiteraremineral · Mohs 3.5colorless, white, pale yellow
Balkaniteraremineral · Mohs 2.5-3black, gray- No imageBalliranoiteraremineral · Mohs 5-6colorless, white, yellowish
Balyakiniteraremineral · Mohs 2green, yellow-green
Bambollaiteraremineral · Mohs 2dark blue, black- No imageBamforditeraremineral · Mohs 3red, brownish-red
Banalsiteraremineral · Mohs 6white, colorless, gray
Bandyliteraremineral · Mohs 2.5blue, turquoise
Bannermaniteraremineral · Mohs 3-4dark red, brownish red, orange red
Bannisteriteraremineral · Mohs 4brown, pink, white
Baotiteraremineral · Mohs 5yellow, brown, orange-brown
Barahonaite-(Al)raremineral · Mohs 3-4blue, green
Barahonaite-(Fe)raremineral · Mohs 3-4red, reddish-orange
Barariteraremineral · Mohs 2.5-3colorless, white, gray
Baratoviteraremineral · Mohs 5-6colorless, white, pale pink
Barberiiteraremineral · Mohs 2colorless, white
Barbosaliteraremineral · Mohs 4dark green, black- No imageBarentsiteraremineral · Mohs 3colorless, white, pale yellow
Barianditeraremineral · Mohs 2-3black, dark brown
Barićiteraremineral · Mohs 1.5-2blue, blue-green, colorless- No imageBarikaiteraremineral · Mohs 3-4yellow, yellowish-brown
Bario-olgiteraremineral · Mohs 5colorless, white- No imageBario-orthojoaquiniteraremineral · Mohs 5.5brown, yellow-brown, tan
- No imageBarioferriteraremineral · Mohs 6black, dark brown
- No imageBarioperovskiteraremineral · Mohs 5.5black, brown
- No imageBariopharmacoalumiteraremineral · Mohs 2.5yellow, greenish yellow, pale yellow
Bariopharmacosideriteraremineral · Mohs 2.5yellow, yellow-green, brown- No imageBariosincositeraremineral · Mohs 3green, pale green, yellowish-green
- No imageBarlowiteraremineral · Mohs 3deep blue, dark green-blue
Barnesiteraremineral · Mohs 2dark red, reddish-brown- No imageBarquilliteraremineral · Mohs 2.5-3dark gray, black
Barreriteraremineral · Mohs 3.5-4colorless, white, pink
Barringeriteraremineral · Mohs 5white, silver-white, gray- No imageBarroisiteraremineral · Mohs 5-6dark green, black, brownish-green
- No imageBarrotiteraremineral · Mohs 3colorless, white
- No imageBarrydawsonite-(Y)raremineral · Mohs 5colorless, pale yellow, white
Barstowiteraremineral · Mohs 3colorless, white- No imageBartelkeiteraremineral · Mohs 4colorless, white
Bartoniteraremineral · Mohs 3.5black, bronze-brown- No imageBarwooditeraremineral · Mohs 5-6dark red, brownish-red
Baryliteraremineral · Mohs 6.5white, colorless, yellowish
Barysiliteraremineral · Mohs 3white, colorless, yellowish
Barytocalciteraremineral · Mohs 4white, yellow, gray- No imageBarytolamprophylliteraremineral · Mohs 3-4brown, yellowish-brown, golden-brown
Bassaniteraremineral · Mohs 3white, colorless, gray
Bassetiteraremineral · Mohs 2-3yellow, yellowish-green, brownish-yellow- No imageBassoiteraremineral · Mohs 3-4colorless, white
Bastnäsite-(La)raremineral · Mohs 4-4.5yellow, reddish-brown, brown- No imageBastnäsite-(Nd)raremineral · Mohs 4-4.5yellow, brown, reddish-brown
Bastnäsite-(Y)raremineral · Mohs 4-4.5yellow, yellowish-brown, reddish-brown- No imageBatagayiteraremineral · Mohs 3-4colorless, white
- No imageBatievaite-(Y)raremineral · Mohs 5-6yellow, yellow-brown, brown
Batiferriteraremineral · Mohs 5-6black, brownish-black
Batisiteraremineral · Mohs 5yellow, brown, white- No imageBatisiviteraremineral · Mohs 3.5dark brown, reddish brown
Baumhaueriteraremineral · Mohs 3lead-gray, grayish-black- No imageBaumhauerite IIraremineral · Mohs 3lead-gray, iron-black
- No imageBaumoiteraremineral · Mohs 2yellow, yellow-orange
Baumstarkiteraremineral · Mohs 2.5gray, black
Bauranoiteraremineral · Mohs 2-3yellow, orange-yellow
Baveniteraremineral · Mohs 5.5white, colorless, yellowish- No imageBavsiiteraremineral · Mohs 5.5-6white, colorless, pale yellow
- No imageBayeriteraremineral · Mohs 2.5-3white, colorless
Bayleyiteraremineral · Mohs 2.5yellow, yellow-orange- No imageBaylissiteraremineral · Mohs 2colorless, white
Bazhenoviteraremineral · Mohs 2yellow, orange-yellow
Baziriteraremineral · Mohs 6-6.5colorless, pale yellow
Bazziteraremineral · Mohs 6.5-7blue, blue-green, colorless
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