Mohs hardness 6 rocks & minerals
Mohs hardness 6 is orthoclase feldspar — the boundary where a steel knife stops working as a scratch tool. Glass usually gives way.
Showing 1081–1200 of 1497 rocks (page 10 of 13).
- No imagePiedmontiteuncommonmineral · Mohs 6-7red, reddish-brown, pink
Piemontiteuncommonmineral · Mohs 6-6.5red, reddish-brown, pink
Piemontite-(Pb)raremineral · Mohs 6-6.5red, reddish-brown, dark red
Piemontite-(Sr)raremineral · Mohs 6-7red, reddish-brown, dark red- No imagePiergorite-(Ce)raremineral · Mohs 5.5yellow, brown, dark brown
Pietersiteuncommonmineral · Mohs 6.5-7blue, gold, brown
Pigeonitecommonmineral · Mohs 5.5-6brown, brownish-green, black- No imagePilawite-(Y)raremineral · Mohs 6.5-7black, brownish-black
Pinakioliteraremineral · Mohs 6black, dark brown- No imagePink Agatecommonmineral · Mohs 6.5-7pink, rose, salmon
- No imagePink Chalcedonyuncommonmineral · Mohs 6.5-7pink, rose, light pink
Pink Feldsparcommonmineral · Mohs 6pink, salmon, flesh-colored- No imagePink Garnetuncommonmineral · Mohs 6.5-7.5pink, purplish-pink, rose-red
- No imagePink Opalcommonmineral · Mohs 5.5-6.5pink, rose-pink
Pink Rhodonitecommonmineral · Mohs 5.5-6.5pink, reddish-pink, brown- No imagePink Serpentineuncommonmineral · Mohs 2.5-5.5pink, lavender, rose
- No imagePísekite-(Y)raremineral · Mohs 5-6black, brown, yellowish-brown
Plagioclasecommonmineral · Mohs 6-6.5white, gray, colorless
Plancheiteuncommonmineral · Mohs 5.5-6blue, light blue, dark blue
Plattneriteraremineral · Mohs 5-5.5black, brownish-black
Plumboferriteraremineral · Mohs 5-6black, gray
Plume Agatecommonmineral · Mohs 6.5-7white, gray, brown- No imagePolekhovskyiteraremineral · Mohs 5-6white, gray
Polluciteuncommonmineral · Mohs 6.5colorless, white, gray- No imagePolyakovite-(Ce)raremineral · Mohs 5-6black, brown
Polydymiteraremineral · Mohs 4.5-5.5gray, grayish-white- No imagePolyphiteraremineral · Mohs 5-6yellow, brown, reddish-brown
- No imagePompom Agatecommonmineral · Mohs 6.5-7white, gray, brown
- No imagePoppiiteraremineral · Mohs 6.5-7dark brown, brownish-red
Poppy Jaspercommonmineral · Mohs 6.5-7red, yellow, brown- No imagePotassic-arfvedsoniteraremineral · Mohs 5-6dark green, black, blue-black
- No imagePotassic-chloro-hastingsiteraremineral · Mohs 5-6black, dark green, dark brown
- No imagePotassic-chloro-pargasiteraremineral · Mohs 5-6black, dark brown, dark green
- No imagePotassic-ferri-leakeiteraremineral · Mohs 6dark green, black, brownish-black
- No imagePotassic-ferro-ferri-sadanagaiteraremineral · Mohs 5-6black, dark brown, dark green
Potassic-ferro-ferri-taramiteraremineral · Mohs 5-6black, dark green
Potassic-ferro-pargasiteraremineral · Mohs 5-6black, dark green, brown- No imagePotassic-ferro-sadanagaiteraremineral · Mohs 6black, dark brown, dark green
- No imagePotassic-ferro-taramiteraremineral · Mohs 5-6black, dark green
Potassic-fluoro-hastingsiteraremineral · Mohs 5-6black, dark green, brownish black
Potassic-fluoro-pargasiteraremineral · Mohs 6dark green, brownish-green, black- No imagePotassic-fluoro-richteriteraremineral · Mohs 5-6yellow, brown, green
Potassic-hastingsiteuncommonmineral · Mohs 5-6black, dark green
Potassic-jeanlouisiteraremineral · Mohs 5-6dark brown, black
Potassic-magnesio-arfvedsoniteraremineral · Mohs 5-6black, dark green, dark blue- No imagePotassic-magnesio-fluoro-arfvedsoniteraremineral · Mohs 5-6black, dark green, dark blue
Potassic-magnesio-hastingsiteraremineral · Mohs 5-6black, dark green, dark brown
Potassic-mangani-leakeiteraremineral · Mohs 6dark green, black- No imagePotassic-pargasiteraremineral · Mohs 5-6dark green, black, brownish green
- No imagePotassic-richteriteraremineral · Mohs 5-6brown, yellow-brown, green
- No imagePotassic-sadanagaiteraremineral · Mohs 5-6black, dark brown, dark green
- No imagePotassiccarpholiteraremineral · Mohs 5-5.5yellow, pale yellow
Povondraiteraremineral · Mohs 6.5-7black, dark brown
Prairie Agatecommonmineral · Mohs 6.5-7yellow, brown, orange
Precious Opalraregemstone · Mohs 5.5-6.5white, black, blue
Prehnitecommonmineral · Mohs 6-6.5green, yellow-green, white- No imagePriday Plume Agatecommonmineral · Mohs 6.5-7red, pink, white
Priday Thundereggcommonfossil · Mohs 6.5-7red, brown, white
Prideriteraremineral · Mohs 6black, brownish-black
Prismatineraremineral · Mohs 6.5-7green, brown, blue
Proto-anthophylliteraremineral · Mohs 5.5-6gray, brown, green- No imageProto-ferro-anthophylliteraremineral · Mohs 5-6brown, greenish-brown, dark gray
Proto-ferro-suenoiteraremineral · Mohs 5-6brownish-yellow, pale brown- No imageProtoenstatiteraremineral · Mohs 5.5colorless, white, gray
- No imageProtozoa Agateuncommonfossil · Mohs 6.5-7brown, red, yellow
- No imageProxidecagoniteraremineral · Mohs 6-7silver, gray
Pseudobrookiteuncommonmineral · Mohs 6dark brown, black
Pseudorutileuncommonmineral · Mohs 5-6reddish-brown, brown, black- No imagePseudosinhaliteraremineral · Mohs 6.5colorless, white, pale yellow
Psilomelanecommonmineral · Mohs 5-6black, bluish-black, gray
Pumicecommonigneous · Mohs 5.5-6white, gray, cream
Pumpellyite-(Al)uncommonmineral · Mohs 5.5green, bluish-green, brownish-green- No imagePumpellyite-(Fe2+)uncommonmineral · Mohs 5.5-6green, brownish-green, blackish-green
- No imagePumpellyite-(Fe3+)uncommonmineral · Mohs 5.5-6green, brown, black
Pumpellyite-(Mg)uncommonmineral · Mohs 5.5green, blue-green, brown
Pumpellyite-(Mn2+)raremineral · Mohs 6brownish red, brown, reddish brown- No imagePurple Agatecommonmineral · Mohs 6.5-7purple, violet, lavender
- No imagePurple Garnetraregemstone · Mohs 6.5-7.5purple, violet, reddish-purple
Pyritecommonmineral · Mohs 6-6.5brass-yellow, pale-gold- No imagePyrite Concretionsuncommonmineral · Mohs 6-6.5brass-yellow
Pyrite Cubescommonmineral · Mohs 6-6.5brass-yellow, gold
Pyrolusitecommonmineral · Mohs 6-6.5black, bluish-black, dark gray
Pyrophaniteraremineral · Mohs 5-6red, reddish-brown
Pyroxenecommonmineral · Mohs 5-6black, dark green, brown
Pyroxenitecommonigneous · Mohs 5-7dark green, brown, black
Pyroxferroiteraremineral · Mohs 5.5brown, amber, tan
Pyroxmangiteraremineral · Mohs 5.5-6pink, reddish-brown, brown
Qandiliteraremineral · Mohs 6black, dark brown- No imageQitianlingiteraremineral · Mohs 5-6black, brownish black
- No imageQuadridavyneraremineral · Mohs 6colorless, white
- No imageRadekškodaite-(La)raremineral · Mohs 6-7dark brown, black
- No imageRadioactive Mineralsuncommonmineral · Mohs 1-6yellow, green, black
- No imageRainbow Moonstonecommongemstone · Mohs 6-6.5white, colorless, blue
Rainbow Obsidiancommonmineral · Mohs 5-5.5black, iridescent- No imageRainforest Jaspercommonmineral · Mohs 6.5-7green, brown, cream
- No imageRamanite-(Cs)raremineral · Mohs 6-7yellow, brown, colorless
Rammelsbergiteuncommonmineral · Mohs 5.5-6tin-white, reddish-white, steel-gray
Rankiniteraremineral · Mohs 5.5colorless, white
Raslakiteraremineral · Mohs 5-6yellow, brown, pink
Rastsvetaeviteraremineral · Mohs 5-6pink, reddish-brown- No imageRed Agatecommonmineral · Mohs 6.5-7red, orange-red, brownish-red
Red Cassiteriteraremineral · Mohs 6-7red, brown, black- No imageRed Garnetcommonmineral · Mohs 6.5-7.5red, dark red, reddish-brown
Red Jaspercommonmineral · Mohs 6.5-7red, red-brown, brick red- No imageRed Rutilecommonmineral · Mohs 6-6.5red, reddish-brown
Red Sandstonecommonsedimentary · Mohs 6-7red, red-brown, rust
Red Silicified Coralcommonfossil · Mohs 6.5-7red, brown, orange
Redledgeiteraremineral · Mohs 6-7red, brown, black
Reedmergneriteraremineral · Mohs 6colorless, white
Reinhardbraunsiteraremineral · Mohs 6colorless, white, pale yellow- No imageRengeiteraremineral · Mohs 5-6dark brown, black
- No imageRhabdoborite-(W)raremineral · Mohs 5-6colorless, white, yellow
Rhodonitecommonmineral · Mohs 5.5-6.5pink, reddish-pink, brown- No imageRhodonite Nodulescommonmineral · Mohs 5.5-6.5pink, red, brown
Rhöniteraremineral · Mohs 5.5-6black, brown, dark brown
Rhyolitecommonigneous · Mohs 6-7gray, pink, tan
Ribbeiteraremineral · Mohs 6reddish-brown, orange-pink, yellow-brown
Richteriteuncommonmineral · Mohs 5-6brown, yellow, red
Riebeckitecommonmineral · Mohs 5-6dark blue, black, blue-green
Ringwooditeraremineral · Mohs 6.5-7blue, purple, colorless
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