Mohs hardness 3 rocks & minerals
Mohs hardness 3 is the calcite mark — easily scratched by a copper coin. Many carbonates and softer sulfides cluster here.
Showing 1321–1440 of 2721 rocks (page 12 of 23).
Kupletskiteraremineral · Mohs 3-4dark brown, reddish-brown, black
Kupletskite-(Cs)raremineral · Mohs 3dark brown, reddish-brown, bronze- No imageKuramiteraremineral · Mohs 3.5-4gray, blackish-gray
Kuranakhiteraremineral · Mohs 3.5black, brownish-black- No imageKurgantaiteraremineral · Mohs 3.5white, colorless, gray
- No imageKuriliteraremineral · Mohs 2.5-3silver-white, pale brass-yellow
Kurnakoviteraremineral · Mohs 3white, colorless
Kusachiiteraremineral · Mohs 3-4black, dark brown
Kutinaiteraremineral · Mohs 3.5silver-white, pale brass-yellow
Kutnohoriteuncommonmineral · Mohs 3.5-4white, pink, brown- No imageKuzminiteraremineral · Mohs 2.5white, gray
Kuznetsoviteraremineral · Mohs 3.5dark red, red-brown, orange-red
Kvanefjelditeraremineral · Mohs 3-4pink, brown, white
Laffittiteraremineral · Mohs 3dark red, brownish-red- No imageLaforêtiteraremineral · Mohs 3.5gray, white
Lafossaiteraremineral · Mohs 2.5white, colorless, yellow- No imageLakebogaiteraremineral · Mohs 3-4yellow, yellow-orange, brown
Lammeriteraremineral · Mohs 3.5green, yellowish-green
Lamprophylliteraremineral · Mohs 2-3brown, golden-brown, yellow-brown
Lanarkiteraremineral · Mohs 2-2.5colorless, white, yellowish-white
Landesiteraremineral · Mohs 3.5yellowish-brown, brown
Langbeiniteuncommonmineral · Mohs 3.5-4colorless, white, gray
Langhofiteraremineral · Mohs 3-4dark brown, black
Langiteuncommonmineral · Mohs 2.5-3blue, blue-green
Lanmuchangiteraremineral · Mohs 2.5white, colorless
Lansforditeraremineral · Mohs 2.5white, colorless, grayish white
Lanthanite-(Ce)raremineral · Mohs 2.5pink, white, yellowish
Lanthanite-(La)raremineral · Mohs 2.5white, pink, yellowish-white
Lanthanite-(Nd)raremineral · Mohs 2.5pink, pale pink, colorless- No imageLapearlitecommonmineral · Mohs 3.5-4white, cream, yellowish
- No imageLapeyreiteraremineral · Mohs 3blue, pale blue
Lapieiteraremineral · Mohs 3-3.5steel-gray, black
Laplandite-(Ce)raremineral · Mohs 3yellow, brown, white
Larderelliteraremineral · Mohs 3white, colorless
Larositeraremineral · Mohs 3white, pale gray
Larseniteraremineral · Mohs 3white, colorless, yellowish-white
Laueiteraremineral · Mohs 3orange, yellow, brownish-orange
Launayiteraremineral · Mohs 2.5lead-gray, black
Laureliteraremineral · Mohs 3colorless, white
Laurioniteraremineral · Mohs 3-3.5colorless, white, yellowish
Lauseniteraremineral · Mohs 2-3white, colorless- No imageLautariteraremineral · Mohs 3-3.5colorless, white, yellowish
Lautenthaliteraremineral · Mohs 2.5white, colorless
Lautiteraremineral · Mohs 3iron-black, lead-gray, steel-gray
Lavendulanraremineral · Mohs 2.5lavender-blue, bright blue
Lavrentieviteraremineral · Mohs 2.5yellow, orange, brown
Lawsonbaueriteraremineral · Mohs 3yellow, yellowish-orange- No imageLead Ironraremineral · Mohs 2.5-3gray, lead-gray, black
- No imageLeadamalgamraremineral · Mohs 3.5silver-white
Leadhilliteraremineral · Mohs 2.5colorless, white, yellow- No imageLecontiteraremineral · Mohs 2-2.5colorless, white, yellowish-white
- No imageLecoqite-(Y)raremineral · Mohs 3-4yellow, yellowish-white
Lefontiteraremineral · Mohs 2.5green, yellowish-green- No imageLeguerniteraremineral · Mohs 2.5yellow, pale yellow
Lehneriteraremineral · Mohs 3-4yellow, yellowish-brown
Leightoniteraremineral · Mohs 3pale yellow, white, colorless
Lemanskiiteraremineral · Mohs 2-3white, colorless, pale yellow- No imageLenaiteraremineral · Mohs 3silver-white, gray
- No imageLeningraditeraremineral · Mohs 3.5orange, red-orange
- No imageLennilenapeiteraremineral · Mohs 3-4brown, greenish-brown
Leogangiteraremineral · Mohs 3green, yellow-green
Leoniteuncommonmineral · Mohs 3colorless, white, yellow
Lepersonnite-(Gd)raremineral · Mohs 2-3yellow, yellowish-orange
Lepidolitecommonmineral · Mohs 2.5-3lilac, pink, violet- No imageLermontoviteraremineral · Mohs 3yellow, greenish-yellow, brown
Leucophosphiteraremineral · Mohs 3.5white, colorless, yellow
Leucostauriteraremineral · Mohs 3white, colorless
Leverettiteraremineral · Mohs 3-3.5dark green, olive green- No imageLevinsonite-(Y)raremineral · Mohs 3yellow, yellowish-brown, light yellow
- No imageLévyclauditeraremineral · Mohs 3-3.5lead-gray, black
Liebigiteuncommonmineral · Mohs 2.5yellow, yellow-green
Lileyiteraremineral · Mohs 2.5-3dark brown, black
Lillianiteraremineral · Mohs 2.5lead-gray, steel-gray
Limecommonsedimentary · Mohs 3-4white, gray, yellow
Limestonecommonsedimentary · Mohs 3white, gray, tan
Linariteuncommonmineral · Mohs 2.5deep blue, azure blue
Lindgreniteraremineral · Mohs 3green, yellowish-green
Lindströmiteraremineral · Mohs 3lead-gray, steel-gray- No imageLínekiteraremineral · Mohs 2.5yellow, yellow-green
Linzhiiteraremineral · Mohs 3.5-4silvery white, gray
Lipscombiteraremineral · Mohs 3.5dark green, olive green, black
Liroconiteraremineral · Mohs 2-2.5sky-blue, verdigris-green- No imageLishizheniteraremineral · Mohs 2-2.5colorless, white, pale yellow
- No imageLisiguangiteraremineral · Mohs 3.5black
- No imageLiskearditeraremineral · Mohs 2-3white, blue, green
Lithiophoritecommonmineral · Mohs 3black, bluish black- No imageLitochlebiteraremineral · Mohs 3lead-gray, iron-black
Liveingiteraremineral · Mohs 3lead-gray, black- No imageLiversidgeiteraremineral · Mohs 3-4white, colorless
Lizarditecommonmineral · Mohs 2.5-3green, yellow-green, white- No imageLlantenesiteraremineral · Mohs 2.5-3yellow, yellowish-orange
Lobanoviteraremineral · Mohs 3-4dark brown, reddish brown
Lode Golduncommonmineral · Mohs 2.5-3gold-yellow, brass-yellow
Lokkaite-(Y)raremineral · Mohs 3white, yellowish, colorless
Lomonosoviteraremineral · Mohs 3-4brown, dark brown, reddish brown
Lopatkaiteraremineral · Mohs 3.5-4yellow, yellow-brown
Lópeziteraremineral · Mohs 2.5orange, red-orange
Loranditeraremineral · Mohs 2-2.5lead-gray, black, red internal reflections- No imageLoseyiteraremineral · Mohs 3white, colorless, light blue
Lotharmeyeriteraremineral · Mohs 3.5yellow, orange, reddish-orange
Löweiteraremineral · Mohs 3.5white, yellow, colorless
Luanheiteraremineral · Mohs 3.5silver-white, gray- No imageLuanshiweiiteraremineral · Mohs 2.5-3colorless, white
- No imageLuberoiteraremineral · Mohs 2.5white, silver-white
Lucasite-(Ce)raremineral · Mohs 3-4yellow, brownish yellow, pale brown
Ludjibaiteraremineral · Mohs 3.5-4blue, greenish-blue
Ludlamiteraremineral · Mohs 3.5light green, bottle green, dark green- No imageLukkulaisvaaraiteraremineral · Mohs 3-4white, gray
Lukrahniteraremineral · Mohs 3-4yellow, yellow-green, brown- No imageLumsdeniteraremineral · Mohs 3.5gray, steel gray
Lun'okiteraremineral · Mohs 3.5white, colorless, pale yellow
Lüneburgiteraremineral · Mohs 2.5colorless, white- No imageLunijianlaiteraremineral · Mohs 2-3white, gray, pale yellow
Luobusaiteraremineral · Mohs 3.5-4white, gray, silver-white
Luzoniteuncommonmineral · Mohs 3.5pinkish-brown, reddish-brown, gray
Lyonsiteraremineral · Mohs 3-3.5yellow, brownish-yellow
Mackinawiteuncommonmineral · Mohs 2.5bronze, yellowish-brown, gray
Macphersoniteraremineral · Mohs 2.5-3yellow, yellowish-orange, colorless- No imageMacquartiteraremineral · Mohs 3yellow, greenish-yellow
Madociteraremineral · Mohs 3.5lead-gray, black
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