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 1921–2040 of 2721 rocks (page 17 of 23).
Phosphosideriteuncommonmineral · Mohs 3.5-4pink, violet, magenta- No imagePhosphovanadylite-Bararemineral · Mohs 3green, yellow-green
Phosphovanadylite-Cararemineral · Mohs 3blue, greenish blue- No imagePhosphowalpurgiteraremineral · Mohs 3.5yellow, yellow-orange
Phosphuranyliteraremineral · Mohs 2-3yellow, golden yellow, orange-yellow
Phuralumiteraremineral · Mohs 3yellow, pale yellow
Phurcaliteraremineral · Mohs 3-4yellow, bright yellow
Piccoliiteraremineral · Mohs 3yellow, brownish-yellow- No imagePicotpauliteraremineral · Mohs 3.5bronze, copper-red
Picromeritecommonmineral · Mohs 2.5white, colorless, pale yellow
Picropharmacoliteraremineral · Mohs 2.5white, colorless
Pierrotiteraremineral · Mohs 2.5lead-gray, black
Pillaiteraremineral · Mohs 3lead-gray, black- No imagePinaliteraremineral · Mohs 2.5-3yellow, orange-yellow
Pinchiteraremineral · Mohs 2-3yellow, yellowish-orange, colorless- No imagePingguiteraremineral · Mohs 2-3yellow, greenish-yellow
- No imagePink Calcitecommonmineral · Mohs 3pink, pale pink, rose
Pink Marblecommonmetamorphic · Mohs 3-4pink, rose, white
Pink Pearlrarefossil · Mohs 2.5-4pink, salmon, rose- No imagePink Serpentineuncommonmineral · Mohs 2.5-5.5pink, lavender, rose
Pinnoiteraremineral · Mohs 3.5yellow, yellowish-brown, white
Pirquitasiteraremineral · Mohs 3.5-4black, gray
Pirssoniteraremineral · Mohs 3-3.5colorless, white, yellowish
Pitticiteuncommonmineral · Mohs 2-3yellow, brown, yellowish-brown- No imagePittongiteraremineral · Mohs 3.5-4yellow, yellowish-brown
Piypiteraremineral · Mohs 2-3yellow, yellowish-green
Pizgrischiteraremineral · Mohs 3.5lead-gray, black
Plagioniteraremineral · Mohs 2.5lead-gray, black
Plavnoiteraremineral · Mohs 2.5yellow, golden yellow
Playfairiteraremineral · Mohs 2.5lead-gray, steel-gray
Plimeriteraremineral · Mohs 3.5-4yellow, yellow-green, brownish-yellow- No imagePliniusiteraremineral · Mohs 3.5yellow, orange, brown
- No imagePlumboagarditeraremineral · Mohs 3.5-4emerald-green, yellowish-green
Plumbojarositeuncommonmineral · Mohs 2.5-3.5yellow, yellowish-brown, brown
Plumbonacriteraremineral · Mohs 2.5-3white, colorless, grayish
Plumbophylliteraremineral · Mohs 2-3white, colorless, gray- No imagePlumositeuncommonmineral · Mohs 2.5lead-gray, black
Poiteviniteraremineral · Mohs 2-3yellow, yellowish-white, pale yellow
Pokrovskiteraremineral · Mohs 2.5white, colorless, pale green
Polhemusiteraremineral · Mohs 3.5white, gray- No imagePolkanoviteraremineral · Mohs 3.5white, silver-white
- No imagePolkoviciteraremineral · Mohs 3.5-4black
- No imagePolloneiteraremineral · Mohs 3.5lead-gray, black
Polybasiteuncommonmineral · Mohs 2-3black, iron-black
Polyhalitecommonmineral · Mohs 2.5-3colorless, white, gray
Polylithioniteuncommonmineral · Mohs 2.5-3colorless, white, pale pink
Ponomareviteraremineral · Mohs 3dark red, brownish-red- No imagePopoviteraremineral · Mohs 3colorless, white, pale yellow
Portlanditeraremineral · Mohs 2.5white, colorless
Posnjakiteuncommonmineral · Mohs 2-3blue, greenish-blue
Potariteraremineral · Mohs 3.5-4white, silver-white- No imagePotomac Marblecommonsedimentary · Mohs 3-4red, green, brown
Pottsiteraremineral · Mohs 2.5yellow, yellow-brown
Poubaiteraremineral · Mohs 2.5lead-gray, steel-gray
Poughiteraremineral · Mohs 2.5yellow, yellow-green, orange-yellow
Powelliteuncommonmineral · Mohs 3.5yellow, brown, greenish-yellow
Poyarkoviteraremineral · Mohs 3.5dark red, brownish-red- No imagePradetiteraremineral · Mohs 3orange, yellow
Preisingeriteraremineral · Mohs 2.5yellow, yellowish-green, brown
Preiswerkiteraremineral · Mohs 2.5-3white, colorless, pale yellow
Preobrazhenskiteraremineral · Mohs 3.5white, colorless, yellowish-white- No imagePrewittiteraremineral · Mohs 2-3orange, orange-red
- No imagePříbramiteraremineral · Mohs 3-3.5gray, white
Priceiteuncommonmineral · Mohs 3-3.5white, grayish, yellowish
Pringleiteraremineral · Mohs 3.5yellow, brown- No imageProberiteuncommonmineral · Mohs 3.5white, colorless, gray
Probertiteuncommonmineral · Mohs 3.5colorless, white, gray- No imageProsperiteraremineral · Mohs 3.5white, colorless
- No imageProtasiteraremineral · Mohs 2.5orange, reddish-orange
Protochabournéiteraremineral · Mohs 2.5black, lead-gray
Prouditeraremineral · Mohs 2-3lead-gray, black
Proustiteraremineral · Mohs 2-2.5scarlet-red, vermilion
Przhevalskiteraremineral · Mohs 3-4yellow, yellowish-orange
Pseudoboleiteraremineral · Mohs 2.5-3deep blue, azure
Pseudocotunniteraremineral · Mohs 2-3yellow, white, colorless- No imagePseudojohanniteraremineral · Mohs 2-3yellow, greenish-yellow
Pseudolaueiteraremineral · Mohs 3yellow, brownish-yellow, pale brown- No imagePseudolyonsiteraremineral · Mohs 3yellow, brownish-yellow
- No imagePseudomarkeyiteraremineral · Mohs 3white, colorless, gray
- No imagePseudomertieiteraremineral · Mohs 3.5white, pale yellow
Pucheriteraremineral · Mohs 3-4red, orange, brownish-red- No imagePuniniteraremineral · Mohs 3.5-4yellow, brownish-yellow
- No imagePurple Lepidolitecommonmineral · Mohs 2.5-3purple, lavender, lilac
- No imagePutoraniteraremineral · Mohs 3.5bronze, brownish-yellow
- No imagePutziteraremineral · Mohs 2.5-3gray, silver-white
Pyrargyriteuncommonmineral · Mohs 2.5dark red, grayish red, black
Pyritized Ammoniteuncommonfossil · Mohs 3-3.5brass yellow, metallic gold, bronze- No imagePyritized Gastropodsuncommonfossil · Mohs 3.5-4brass yellow, gold, brown
Pyroauriteuncommonmineral · Mohs 2.5yellow, brown, white
Pyrobeloniteraremineral · Mohs 3.5dark red, orange-red, brownish-red
Pyrochroiteuncommonmineral · Mohs 2.5yellow, brown, white
Pyromorphiteuncommonmineral · Mohs 3.5-4green, yellow, brown
Pyrrhotitecommonmineral · Mohs 3.5-4.5bronze, brown, red-brown
Quadratiteraremineral · Mohs 3.5red, brownish-red
Quatrandoriteraremineral · Mohs 3-3.5lead-gray, blackish-gray
Queititeraremineral · Mohs 3.5colorless, white, pale yellow
Quenseliteraremineral · Mohs 2.5black, dark gray
Quenstedtiteraremineral · Mohs 2.5violet, pale lilac, yellowish
Quetzalcoatliteraremineral · Mohs 3yellow, yellowish-green, light green- No imageQuijarroiteraremineral · Mohs 3-3.5steel-gray, white
Rabejaciteraremineral · Mohs 2.5yellow, bright yellow- No imageRaberiteraremineral · Mohs 2.5black
- No imageRadhakrishnaiteraremineral · Mohs 2-3white, gray
- No imageRadioactive Coppercommonmineral · Mohs 2-2.5emerald green, grass green, leek green
- No imageRadioactive Mineralsuncommonmineral · Mohs 1-6yellow, green, black
- No imageRadovaniteraremineral · Mohs 3yellow, brownish-yellow
Raisaiteraremineral · Mohs 2.5blue, deep blue
Raiteraremineral · Mohs 2-3yellow, brown, orange-yellow
Rajiteraremineral · Mohs 3.5colorless, white
Rakovaniteraremineral · Mohs 2-3dark red, reddish-brown
Ralphcannoniteraremineral · Mohs 3.5steel-gray, black
Ramaccioniiteraremineral · Mohs 2-3yellow, yellow-green- No imageRamanite-(Rb)raremineral · Mohs 3.5brown, yellowish-brown
Rambergiteraremineral · Mohs 3-4pink, red, brown
Ramdohriteraremineral · Mohs 2.5steel-gray, lead-gray, silver-white- No imageRameauiteraremineral · Mohs 2-3orange, yellow-orange
Ramsbeckiteraremineral · Mohs 3bright green, dark green
Ramsdelliteuncommonmineral · Mohs 3black, gray
Ranciéiteuncommonmineral · Mohs 1.5-2.5black, brownish black
Rankamaiteraremineral · Mohs 3-4yellow, colorless, white
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