Blue rocks & minerals
Blue rocks and minerals owe their color to copper, cobalt, or charge-transfer effects between iron and titanium. Blues are uncommon in rock-forming minerals, so a vivid blue is worth a closer look.
Showing 241–293 of 293 blue rocks (page 3 of 3).
Raisaiteraremineral · Mohs 2.5blue, deep blue- No imageRamazzoiteraremineral · Mohs 2.5blue, greenish blue
Ransomiteraremineral · Mohs 2.5blue, pale blue
Richelsdorfiteraremineral · Mohs 2blue, green
Ringwooditeraremineral · Mohs 6.5-7blue, purple, colorless
Rosasiteuncommonmineral · Mohs 4blue, green, blue-green
Royston Turquoiseuncommonmineral · Mohs 5-6blue, green, brown
Sampleiteraremineral · Mohs 3.5blue, greenish-blue, pale blue
Sapphirecommongemstone · Mohs 9blue, yellow, pink
Sapphirineraremineral · Mohs 7.5blue, blue-green, green- No imageSarcopsideraremineral · Mohs 4brown, reddish-brown, violet
Scapolitecommonmineral · Mohs 5.5-6colorless, white, gray
Schuilingite-(Nd)raremineral · Mohs 3.5blue, turquoise-blue, azure
Scorzaliteraremineral · Mohs 5.5-6blue, dark blue, azure
Sekaninaiteraremineral · Mohs 7-7.5blue, blue-violet, grayish-blue
Serendibiteraremineral · Mohs 6.5-7blue, blue-green, black
Shattuckiteuncommonmineral · Mohs 3.5blue, greenish-blue
Sherwooditeraremineral · Mohs 2blue, turquoise
Sieleckiiteraremineral · Mohs 3blue, azure-blue
Smithsonitecommonmineral · Mohs 4-4.5white, gray, green
Sodalitecommonmineral · Mohs 5.5-6blue, white, gray
Sogdianiteraremineral · Mohs 5violet, purple, blue
Spertiniiteraremineral · Mohs 2blue, blue-green
Spinelcommonmineral · Mohs 8red, blue, green
Star Sapphireraregemstone · Mohs 9blue, gray, violet- No imageStoppaniiteraremineral · Mohs 7.5-8blue, light blue, blue-green
Stringhamiteraremineral · Mohs 3blue, blue-green- No imageSurinamiteraremineral · Mohs 7-7.5blue, blue-green, colorless
Sylvitecommonmineral · Mohs 2white, colorless, red
Symplesiteraremineral · Mohs 1.5-2blue, blue-green, green
Tangdaniteraremineral · Mohs 2-3blue, green
Tanzaniteraregemstone · Mohs 6.5-7blue, violet, purple
Teineiteraremineral · Mohs 2.5blue, deep blue
Thundereggcommonmineral · Mohs 6.5-7multicolored, brown, gray- No imageTistariteraremineral · Mohs 9blue, colorless, gray
Topazcommonmineral · Mohs 8yellow, brown, colorless
Tourmalinecommonmineral · Mohs 7-7.5black, green, pink- No imageTrippkeiteraremineral · Mohs 3-4blue, blue-green, green
Tube Agatecommonmineral · Mohs 6.5-7white, gray, blue
Turquoisecommonmineral · Mohs 5-6blue, blue-green, green
Vesuvianitecommonmineral · Mohs 6.5green, brown, yellow
Vishneviteraremineral · Mohs 5-6white, gray, yellow- No imageWarkiteraremineral · Mohs 5-6blue, purple likely
- No imageWesselsiteraremineral · Mohs 4blue
Wicksiteraremineral · Mohs 4blue, blue-green, brown
Winchiteraremineral · Mohs 5-6white, blue, violet
Woodwarditeraremineral · Mohs 1.5-2.5blue, blue-green, green
Wroewolfeiteuncommonmineral · Mohs 2.5blue, blue-green
Yowah Nutuncommonfossil · Mohs 5.5-6.5brown, red, green
Zincowoodwarditeraremineral · Mohs 1blue, blue-green
Zincrosasiteraremineral · Mohs 4blue, greenish-blue, pale green
Zirconcommonmineral · Mohs 7.5brown, red, yellow
Zoisitecommonmineral · Mohs 6-7gray, green, pink
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