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 721–840 of 1910 rocks (page 7 of 16).
- No imageHeulandite-Bararemineral · Mohs 3.5-4white, colorless, yellow
Heulandite-Cacommonmineral · Mohs 3.5-4white, colorless, pink- No imageHeulandite-Kuncommonmineral · Mohs 3.5-4white, colorless, pink
- No imageHeulandite-Nacommonmineral · Mohs 3-4white, colorless, yellow
- No imageHeulandite-Srraremineral · Mohs 3-4white, colorless, gray
Hexaferrumraremineral · Mohs 4white, silver-white
Heyrovskýiteraremineral · Mohs 4lead-gray, tin-white
Hidalgoiteraremineral · Mohs 4-4.5white, colorless, yellow
Hilairiteraremineral · Mohs 4brown, yellow, orange- No imageHillesheimiteraremineral · Mohs 4-5white, colorless, pale yellow
- No imageHilliteraremineral · Mohs 3.5white, colorless
Hinsdaliteraremineral · Mohs 4.5colorless, white, pale yellow- No imageHizenite-(Y)raremineral · Mohs 3-4white, colorless
- No imageHocartiteraremineral · Mohs 3-3.5steel-gray, iron-black
Hodgkinsoniteraremineral · Mohs 4.5-5pink, red, reddish-orange
Hodrušiteraremineral · Mohs 3.5dark gray, lead gray, black- No imageHogarthiteraremineral · Mohs 3-4yellow, pale yellow
Holdawayiteraremineral · Mohs 3-4pink, pale pink, colorless
Holdeniteraremineral · Mohs 3-4red, pink, orange-red
Holfertiteraremineral · Mohs 3-4yellow, yellow-brown
Holtedahliteraremineral · Mohs 4colorless, white, pale green
Hopeiteraremineral · Mohs 3.5white, colorless, yellowish- No imageHorákiteraremineral · Mohs 3.5yellow, yellow-green
Horn Coralcommonfossil · Mohs 3-4gray, tan, brown
Horsetail Fossilcommonfossil · Mohs 3-5gray, brown, black
Horváthite-(Y)raremineral · Mohs 4white, colorless, pale yellow
Hotsoniteraremineral · Mohs 4white, colorless
Howlitecommonmineral · Mohs 3.5white, gray, colorless
Huanghoite-(Ce)raremineral · Mohs 4.5yellow, brownish yellow, pale yellow- No imageHuangiteraremineral · Mohs 3.5yellow, yellowish-brown
Hubeiteraremineral · Mohs 4brown, reddish-brown
Hübneriteuncommonmineral · Mohs 4-4.5reddish-brown, brown, black- No imageHuebneriteuncommonmineral · Mohs 4-4.5red, reddish-brown, brownish-black
Hügeliteraremineral · Mohs 3-4orange, orange-red, brown
Hulsiteraremineral · Mohs 3.5black, brownish-black- No imageHunchuniteraremineral · Mohs 3-3.5white, silver-white
Hureauliteuncommonmineral · Mohs 3.5orange, pink, yellow
Huttoniteraremineral · Mohs 4.5-5colorless, white, yellowish
Hydroboraciteuncommonmineral · Mohs 4white, colorless, gray
Hydrocerussiteraremineral · Mohs 3.5white, colorless, gray
Hydrokenoralstoniteraremineral · Mohs 4.5white, colorless, yellowish
Hydromagnesitecommonmineral · Mohs 3.5white, colorless, grayish
Hydroniumjarositeuncommonmineral · Mohs 2.5-3.5yellow, brownish-yellow, ochre-yellow- No imageHydroterskiteraremineral · Mohs 4.5-5colorless, white, pale yellow
Hydroxyapophyllite-(K)commonmineral · Mohs 4.5-5white, colorless, green- No imageHydroxylbastnäsite-(Ce)raremineral · Mohs 4-4.5yellow, reddish-brown, brown
- No imageHydroxylbastnäsite-(La)raremineral · Mohs 4-4.5yellow, brownish-yellow, reddish-brown
- No imageHydroxylbastnäsite-(Nd)raremineral · Mohs 4-4.5yellow, brown, reddish-brown
- No imageHydroxylboriteraremineral · Mohs 4colorless, white, yellow
Hydroxylellestaditeraremineral · Mohs 4.5-5colorless, white, gray- No imageHydroxylhedyphaneraremineral · Mohs 3.5-4white, colorless, yellow
- No imageHydroxylpyromorphiteraremineral · Mohs 3.5-4yellow, brown, green
- No imageHylbrowniteraremineral · Mohs 3-3.5yellow, yellow-orange
Ilímaussite-(Ce)raremineral · Mohs 3.5yellow, brown, pale yellow- No imageIlirneyiteraremineral · Mohs 3-3.5yellow, yellowish-white
Imayoshiiteraremineral · Mohs 3-4colorless, white
Inderboriteraremineral · Mohs 3.5colorless, white
Inditeraremineral · Mohs 3.5iron-black, dark gray- No imageInneliteraremineral · Mohs 3-4yellow, brown, golden-yellow
Insizwaiteraremineral · Mohs 4-5white, gray- No imageIntersiliteraremineral · Mohs 3-4white, colorless
Iraniteraremineral · Mohs 3.5orange, yellow
Iridarseniteraremineral · Mohs 3.5silver-white
Iridescent Ammoniterarefossil · Mohs 3.5-4iridescent, red, green
Ironraremineral · Mohs 4-5steel-gray, iron-black
Iron Meteoriteuncommonfossil · Mohs 4-5metallic gray, brown, black- No imageIshiharaiteraremineral · Mohs 3-4gray, black
- No imageIsoclasiteraremineral · Mohs 3.5white, colorless
Isocubaniteraremineral · Mohs 3.5brass-yellow, bronze-yellow
Isoferroplatinumraremineral · Mohs 4.5silver-white, light steel-gray- No imageIsokiteraremineral · Mohs 4.5colorless, white, grayish
Isomertieiteraremineral · Mohs 3.5white, light yellow, silver-white- No imageIsoviteraremineral · Mohs 4-5white, pale yellow
- No imageItsiiteraremineral · Mohs 4yellow, brownish-yellow
- No imageIvanyukite-Curaremineral · Mohs 3-4green, yellowish-green
- No imageIvanyukite-Kraremineral · Mohs 4yellow, brown
- No imageIvanyukite-Nararemineral · Mohs 3-4yellow, yellowish-orange
- No imageIwashiroite-(Y)raremineral · Mohs 4-5yellowish brown, brown, black
- No imageIzoklakeiteraremineral · Mohs 3.5lead-gray, blackish-gray
Jaffeiteraremineral · Mohs 3.5colorless, white
Jagoweriteraremineral · Mohs 4yellow, yellow-green
Jahnsite-(CaFeMg)raremineral · Mohs 4yellow, brown, orange-brown
Jahnsite-(CaMnFe)raremineral · Mohs 4yellow, yellowish-brown, brown
Jahnsite-(CaMnMg)raremineral · Mohs 4yellow, yellow-brown, brown
Jahnsite-(CaMnMn)raremineral · Mohs 3-4yellow, yellowish-brown, brown
Jahnsite-(MnMnFe)raremineral · Mohs 3-4yellow, yellowish-brown, brown
Jahnsite-(MnMnMg)raremineral · Mohs 4yellow, brown, reddish-brown- No imageJahnsite-(MnMnMn)raremineral · Mohs 4yellow, yellowish-brown, brown
Jahnsite-(MnMnZn)raremineral · Mohs 4yellow, yellow-brown, brown
Jahnsite-(NaFeMg)raremineral · Mohs 3-4yellow, yellowish-brown, brown
Jahnsite-(NaMnMg)raremineral · Mohs 4yellow, brown, orange-brown
Jakobssoniteraremineral · Mohs 3.5colorless, white
Jamesiteraremineral · Mohs 4-5yellow, brownish-yellow
Jangguniteraremineral · Mohs 3-4black, dark brown- No imageJarandoliteraremineral · Mohs 3.5white, colorless
Jarliteraremineral · Mohs 3.5-4colorless, white, gray- No imageJarosewichiteraremineral · Mohs 3-4dark red, brownish-red
Jarositecommonmineral · Mohs 2.5-3.5yellow, yellowish-brown, brown
Jaskólskiiteraremineral · Mohs 3.5lead-gray, tin-white
Jasmunditeraremineral · Mohs 3.5yellow, brownish-yellow
Jeanbandyiteraremineral · Mohs 3-4yellow, yellowish-brown, brown- No imageJedwabiteraremineral · Mohs 3.5-4silver-white, gray
Jenseniteraremineral · Mohs 3.5blue, greenish-blue- No imageJentschiteraremineral · Mohs 3-3.5lead-gray, black
Jetcommonfossil · Mohs 2.5-4black, dark brown- No imageJežekiteraremineral · Mohs 3.5white, colorless
Jinshajiangiteraremineral · Mohs 3-4brown, yellow-brown, dark brown- No imageJoesmithiteraremineral · Mohs 4-5dark brown, brownish black, reddish brown
Johilleriteraremineral · Mohs 3.5yellow, yellow-green- No imageJohninnesiteraremineral · Mohs 4pink, brownish pink
Johnsomervilleiteraremineral · Mohs 4-5yellow, brown, pinkish-brown- No imageJohntomaiteraremineral · Mohs 4-5dark brown, reddish-brown
Johnwalkiteraremineral · Mohs 3.5yellow, brown- No imageJonesiteraremineral · Mohs 3-4colorless, white, pale yellow
- No imageJoosteiteraremineral · Mohs 4black, brown
- No imageJørgenseniteraremineral · Mohs 3.5colorless, white, pale yellow
- No imageJörgkelleriteraremineral · Mohs 3-4colorless, white
- No imageJuaniteraremineral · Mohs 3.5white, pale yellow
Junitoiteraremineral · Mohs 4colorless, white
Juonniiteraremineral · Mohs 3-4white, colorless
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