Mohs hardness 4 rocks & minerals
Mohs hardness 4 is referenced by fluorite. Minerals at this hardness scratch with a steel knife but are too hard for a coin.
Showing 121–240 of 1910 rocks (page 2 of 16).
Balipholiteraremineral · Mohs 3.5colorless, white, pale yellow- No imageBanded Serpentinecommonmineral · Mohs 2.5-5.5green, yellow-green, dark green
Bannermaniteraremineral · Mohs 3-4dark red, brownish red, orange red
Bannisteriteraremineral · Mohs 4brown, pink, white
Barahonaite-(Al)raremineral · Mohs 3-4blue, green
Barahonaite-(Fe)raremineral · Mohs 3-4red, reddish-orange
Barbosaliteraremineral · Mohs 4dark green, black- No imageBarikaiteraremineral · Mohs 3-4yellow, yellowish-brown
Baritecommonmineral · Mohs 3-3.5colorless, white, yellow- No imageBarite Rosescommonmineral · Mohs 3-3.5brown, reddish-brown, tan
Barreriteraremineral · Mohs 3.5-4colorless, white, pink- No imageBartelkeiteraremineral · Mohs 4colorless, white
Bartoniteraremineral · Mohs 3.5black, bronze-brown
Barytecommonmineral · Mohs 3-3.5white, colorless, yellow
Barytocalciteraremineral · Mohs 4white, yellow, gray- No imageBarytolamprophylliteraremineral · Mohs 3-4brown, yellowish-brown, golden-brown
- No imageBassoiteraremineral · Mohs 3-4colorless, white
Bastnäsite-(Ce)uncommonmineral · Mohs 4-4.5yellow, reddish-brown, brown
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 imageBatisiviteraremineral · Mohs 3.5dark brown, reddish brown
Bayldoniteuncommonmineral · Mohs 4.5apple green, grass green, bright green
Beaverite-(Cu)raremineral · Mohs 3.5-4yellow, yellowish-brown, greenish-yellow- No imageBeaverite-(Zn)raremineral · Mohs 3.5yellow, greenish-yellow
- No imageBeckettiteraremineral · Mohs 4dark green, blackish-green
Behoiteraremineral · Mohs 3-4white, colorless
Belemnitecommonfossil · Mohs 3-4brown, black, gray
Belendorffiteraremineral · Mohs 3.5silver-white
Belkoviteraremineral · Mohs 4.5-5brown, dark brown, black
Bellingeriteraremineral · Mohs 3-4yellow, greenish-yellow
Benauiteraremineral · Mohs 4white, colorless, yellowish
Bendadaiteraremineral · Mohs 3.5-4dark green, brown- No imageBenjaminiteraremineral · Mohs 3.5lead-gray, white
Benstoniteraremineral · Mohs 3-4white, gray, brownish-yellow
Berauniteuncommonmineral · Mohs 3.5-4reddish-brown, brown, dark red
Berboriteraremineral · Mohs 3.5colorless, white
Bermaniteraremineral · Mohs 3.5reddish-brown, brown, orange-brown- No imageBernaliteraremineral · Mohs 3.5dark emerald green, blackish green
- No imageBernarditeraremineral · Mohs 3-3.5red, dark red, black
- No imageBernarlottiiteraremineral · Mohs 3-3.5black
Berryiteraremineral · Mohs 3-4lead-gray, dark gray
Beudantiteuncommonmineral · Mohs 3.5-4.5brown, yellow, green
Beusiteraremineral · Mohs 4.5-5brown, yellow-brown, black- No imageBeusite-(Ca)raremineral · Mohs 4-5brown, yellow-brown, dark brown
- No imageBezsmertnoviteraremineral · Mohs 3.5pinkish-cream, pale rose
- No imageBideauxiteraremineral · Mohs 3.5colorless, white, yellow
- No imageBilibinskiteraremineral · Mohs 3.5brass-yellow, brownish-yellow
Bindheimiteuncommonmineral · Mohs 4-4.5yellow, orange, brown- No imageBiraite-(Ce)raremineral · Mohs 4yellow, brown
Birchiteraremineral · Mohs 3.5colorless, white, pale yellow
Bismiteraremineral · Mohs 4.5greenish yellow, yellow, gray
Bismutoferriteraremineral · Mohs 3.5-4yellow, greenish-yellow, olive-green
Bismutohauchecorniteraremineral · Mohs 4silver-white, pale yellow
Bison Skullcommonfossil · Mohs 3-5white, brown, tan
Bityiteraremineral · Mohs 3.5-4white, yellow, colorless
Bivalve Fossilcommonfossil · Mohs 3-5tan, brown, gray
Bjarebyiteraremineral · Mohs 4dark green, yellowish-green
Blakeiteraremineral · Mohs 3-4reddish brown, brown- No imageBleasdaleiteraremineral · Mohs 3-4blue, blue-green
- No imageBlue Baritecommonmineral · Mohs 3-3.5blue, colorless, white
Blue Fluoriteuncommonmineral · Mohs 4blue, deep blue, sky blue- No imageBlue John Fluoriteraremineral · Mohs 4blue, violet, yellow
- No imageBlue Kyanitecommonmineral · Mohs 4.5-7blue, light blue, deep blue
Bluestonecommonsedimentary · Mohs 3-7blue, gray, bluish-gray
Bobfergusoniteraremineral · Mohs 4reddish brown, brown- No imageBobmeyeriteraremineral · Mohs 4-5dark brown, reddish-brown
- No imageBobshannoniteraremineral · Mohs 3-4dark brown, reddish-brown
- No imageBobtrailliteraremineral · Mohs 3-4yellow, brown
Bogdanoviteraremineral · Mohs 3-4pale yellow, white, creamy-white
Bøggilditeraremineral · Mohs 3.5white, colorless, pinkish
Boggsiteraremineral · Mohs 3.5colorless, white- No imageBøgvaditeraremineral · Mohs 3.5colorless, white
Böhmitecommonmineral · Mohs 3-3.5white, gray, yellowish- No imageBoji Stonescommonmineral · Mohs 3.5-4brown, gray, black
Bokiteraremineral · Mohs 4black
Boleiteraremineral · Mohs 3-3.5indigo blue, dark blue
Boltwooditeraremineral · Mohs 3.5yellow, golden yellow
Bonacinaiteraremineral · Mohs 3-4white, colorless
Boratecommonmineral · Mohs 2-4white, colorless, gray
Borcariteraremineral · Mohs 4white, colorless- No imageBorisenkoiteraremineral · Mohs 4dark green, black
Bornemaniteraremineral · Mohs 3-4yellow, yellowish-brown, golden-yellow- No imageBornhardtiteraremineral · Mohs 4.5-5pinkish-white, gray
Borovskiteraremineral · Mohs 3-4white, gray- No imageBortnikoviteraremineral · Mohs 3.5white, silver-white
- No imageBoscardiniteraremineral · Mohs 3-3.5black, dark gray
Bosoitecommonmineral · Mohs 3-4black- No imageBouazzeriteraremineral · Mohs 3-4yellow, yellowish-orange
Boweniteuncommonmineral · Mohs 2.5-5.5apple green, light green, yellowish green
Bowieiteraremineral · Mohs 3.5-4gray, white
Braccoiteraremineral · Mohs 3.5yellow, brown
Brackebuschiteraremineral · Mohs 3.5black, dark brown
Bradleyiteraremineral · Mohs 3-3.5white, colorless, gray
Braggiteraremineral · Mohs 4-5steel-gray, silver-white
Brain Coralcommonfossil · Mohs 3-4white, tan, brown- No imageBrandãoiteraremineral · Mohs 3.5green, blue-green
Brandtiteraremineral · Mohs 3-4white, colorless, pale yellow
Branneriteraremineral · Mohs 4.5black, dark brown- No imageBrauneriteraremineral · Mohs 3.5-4brown, yellowish-brown
Brecciacommonsedimentary · Mohs 3-7gray, brown, red
Brendeliteraremineral · Mohs 3.5yellowish-white, colorless, pale yellow
Brenkiteraremineral · Mohs 3.5colorless, white, pale yellow- No imageBrezinaiteraremineral · Mohs 3.5-4bronze, brown
Brianiteraremineral · Mohs 3.5white, colorless, pale yellow- No imageBrianroulstoniteraremineral · Mohs 3.5colorless, white
Briartiteraremineral · Mohs 3-3.5steel-gray, grayish-white
Britviniteraremineral · Mohs 3-4colorless, white, pale yellow
Brochantitecommonmineral · Mohs 3.5-4emerald-green, dark-green, bright-green
Brockiteraremineral · Mohs 3-4pink, reddish-brown, white- No imageBrodtkorbiteraremineral · Mohs 3.5white, gray
- No imageBrowneiteraremineral · Mohs 3-4yellowish-brown
- No imageBrownleeiteraremineral · Mohs 3.5-4yellow, brownish-yellow
Brüggeniteraremineral · Mohs 3.5colorless, white
Bryozoancommonfossil · Mohs 3-5white, gray, tan- No imageBuchwalditeraremineral · Mohs 3.5yellow, brown, colorless
- No imageBulgakiteraremineral · Mohs 3.5white, colorless, yellowish
Bultfonteiniteraremineral · Mohs 4.5white, colorless, pink
Burangaiteraremineral · Mohs 4blue, sky-blue
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