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 1–120 of 318 blue rocks and minerals.
Aeriniteraremineral · Mohs 3blue, azure blue, greenish blue
Afghaniteraremineral · Mohs 5.5-6blue, colorless, white
Agatecommonmineral · Mohs 6.5-7white, gray, blue- No imageAgate Nodulescommonmineral · Mohs 6.5-7banded, white, gray
Aheyliteraremineral · Mohs 5-6blue, green, blue-green
Ajoiteraremineral · Mohs 3.5blue, greenish-blue
Alibates Flintuncommonfossil · Mohs 6.5-7red, white, blue
Allophanecommonmineral · Mohs 3white, blue, green
Alpersiteraremineral · Mohs 2blue, blue-green
Aluminoceladoniteuncommonmineral · Mohs 2blue, green, blue-green
Ammineiteraremineral · Mohs 2blue, blue-green
Ammoliterarefossil · Mohs 3.5-4.5iridescent red, green, gold
Anataseuncommonmineral · Mohs 5.5-6black, brown, blue
Angelitecommonmineral · Mohs 3.5blue, grayish-blue, white
Anglesitecommonmineral · Mohs 2.5-3colorless, white, yellow
Anhydritecommonmineral · Mohs 3.5colorless, white, gray
Anthonyiteraremineral · Mohs 2blue, blue-green
Antipiniteraremineral · Mohs 3blue, greenish-blue
Apachiteraremineral · Mohs 2blue, pale blue, white
Apatitecommonmineral · Mohs 5green, blue, yellow
Aphthitaliteuncommonmineral · Mohs 3-3.5white, colorless, gray
Aquamarineuncommongemstone · Mohs 7.5-8blue, blue-green, green-blue
Aragonitecommonmineral · Mohs 3.5-4white, colorless, yellow- No imageAsimowiteraremineral · Mohs 6blue, pale blue
Astrocyanite-(Ce)raremineral · Mohs 2blue
Aubertiteraremineral · Mohs 2blue, pale blue
Avdoniniteraremineral · Mohs 2blue, green-blue
Aventurinecommongemstone · Mohs 6.5-7green, red, brown- No imageBalmorhea Blue Agateuncommonmineral · Mohs 6.5-7blue, gray, white
Banded Agatecommonmineral · Mohs 6.5-7white, gray, blue
Bandyliteraremineral · Mohs 2.5blue, turquoise
Barahonaite-(Al)raremineral · Mohs 3-4blue, green
Barićiteraremineral · Mohs 1.5-2blue, blue-green, colorless
Baritecommonmineral · Mohs 3-3.5colorless, white, yellow
Baryliteraremineral · Mohs 6.5white, colorless, yellowish
Barytecommonmineral · Mohs 3-3.5white, colorless, yellow
Bazziteraremineral · Mohs 6.5-7blue, blue-green, colorless
Benitoiteraremineral · Mohs 6-6.5blue, colorless, white
Berylcommonmineral · Mohs 7.5-8colorless, green, blue- No imageBisbee Turquoiseraremineral · Mohs 5-6blue, green, blue-green
- No imageBleasdaleiteraremineral · Mohs 3-4blue, blue-green
- No imageBlue Agatecommonmineral · Mohs 6.5-7blue, white, gray
- No imageBlue Agate Geodecommonmineral · Mohs 6.5-7blue, white, gray
Blue Amphibolecommonmineral · Mohs 5-6blue, blue-gray, lavender-blue- No imageBlue Apatitecommonmineral · Mohs 5blue, blue-green, teal
- No imageBlue Baritecommonmineral · Mohs 3-3.5blue, colorless, white
- No imageBlue Berylcommongemstone · Mohs 7.5-8blue, blue-green, light blue
Blue Calcitecommonmineral · Mohs 3blue, pale blue, grayish blue- No imageBlue Chalcedonycommonmineral · Mohs 6.5-7blue, light blue, grayish blue
- No imageBlue Chertcommonmineral · Mohs 6.5-7blue, gray-blue, light blue
- No imageBlue Corundumuncommongemstone · Mohs 9blue, violet-blue, greenish-blue
Blue Dumortieriteuncommonmineral · Mohs 7-8.5blue, violet-blue, reddish-brown- No imageBlue Fluorapatiteuncommonmineral · Mohs 5blue, blue-green, teal
Blue Fluoriteuncommonmineral · Mohs 4blue, deep blue, sky blue- No imageBlue Jaspercommonmineral · Mohs 6.5-7blue, gray-blue, dark blue
- No imageBlue John Fluoriteraremineral · Mohs 4blue, violet, yellow
- No imageBlue Kyanitecommonmineral · Mohs 4.5-7blue, light blue, deep blue
Blue Lace Agatecommonmineral · Mohs 6.5-7blue, white- No imageBlue Moonstonecommongemstone · Mohs 6-6.5blue, white, colorless
Blue Quartzcommonmineral · Mohs 7blue, grayish-blue, lavender-blue
Blue Sapphirecommongemstone · Mohs 9blue, violet-blue, greenish-blue
Blue Silicified Coraluncommonfossil · Mohs 6.5-7blue, gray, white
Blue Topazcommongemstone · Mohs 8blue, sky blue, swiss blue- No imageBlue Vivianiteuncommonmineral · Mohs 1.5-2blue, green
- No imageBluebelliteraremineral · Mohs 2.5blue, deep blue
Bluelizarditeraremineral · Mohs 2blue, light blue
Blueschistcommonmetamorphicblue, bluish-gray, blue-green
Bluestonecommonsedimentary · Mohs 3-7blue, gray, bluish-gray- No imageBluestreakiteraremineral · Mohs 2-3blue
Bobkingiteraremineral · Mohs 3blue, blue-green
Bonattiteraremineral · Mohs 2white, blue, pale blue
Boothiteraremineral · Mohs 2blue
Boraciteuncommonmineral · Mohs 7-7.5colorless, white, gray
Boulder Opaluncommongemstone · Mohs 5.5-6.5black, white, gray- No imageBradaczekiteraremineral · Mohs 3blue, greenish-blue
Brucitecommonmineral · Mohs 2.5white, pale green, blue
Burangaiteraremineral · Mohs 4blue, sky-blue
Buttgenbachiteraremineral · Mohs 3blue, deep blue
Calaminecommonmineral · Mohs 4.5-5white, colorless, blue
Calcitecommonmineral · Mohs 3white, colorless, yellow
Callaghaniteraremineral · Mohs 3blue, blue-green
Camérolaiteraremineral · Mohs 2blue, pale blue
Carbonatecyanotrichiteraremineral · Mohs 2-3blue, sky-blue
Carletoniteraremineral · Mohs 4-4.5blue, colorless, white
Carmeltaziteraremineral · Mohs 8.5-9black, blue, green
Celestinecommonmineral · Mohs 3-3.5colorless, white, pale blue
Celestitecommonmineral · Mohs 3-3.5colorless, white, pale blue- No imageCelestite Concretionscommonmineral · Mohs 3-3.5blue, white, colorless
Ceruleiteraremineral · Mohs 5-6blue, sky-blue, pale blue
Chalcanthiteuncommonmineral · Mohs 2.5blue, blue-green
Chalcedonycommonmineral · Mohs 6.5-7white, gray, blue- No imageChalcedony Geodecommonmineral · Mohs 6.5-7white, gray, blue
- No imageChalcedony Nodulescommonmineral · Mohs 6.5-7white, gray, blue
Chalcocyaniteraremineral · Mohs 2.5blue, pale blue
Chalcomeniteraremineral · Mohs 2.5blue, blue-green
Chalconatroniteraremineral · Mohs 2.5blue, blue-green
Chanabayaiteraremineral · Mohs 2blue, green
Chlorothioniteraremineral · Mohs 2.5blue, blue-green
Chrysocollacommonmineral · Mohs 2-4blue, blue-green, green- No imageClam Geodecommonfossil · Mohs 6.5-7white, gray, brown
Claraiteraremineral · Mohs 2blue, light blue, greenish-blue
Claringbulliteraremineral · Mohs 3blue, bluish-green
Clinochalcomeniteraremineral · Mohs 2-3blue, blue-green
Cloncurryiteraremineral · Mohs 3blue, greenish-blue
Cobaltarthuriteraremineral · Mohs 3blue, blue-green- No imageColor Change Garnetraregemstone · Mohs 7-7.5blue, green, purple
Common Opalcommonmineral · Mohs 5.5-6.5white, gray, yellow
Cordieritecommonmineral · Mohs 7-7.5blue, violet, gray
Corundumcommonmineral · Mohs 9colorless, red, blue
Crocidolitecommonmineral · Mohs 4blue, lavender-blue, indigo- No imageCrystal Opalraregemstone · Mohs 5.5-6.5white, black, colorless
Cualstibiteraremineral · Mohs 2blue, greenish-blue- No imageCubo-icecommonmineral · Mohs 1.5colorless, white, blue
Cuprorivaiteraremineral · Mohs 5blue, deep blue
Cyanochroiteraremineral · Mohs 2.5blue, bluish-green, colorless
Cyprineraremineral · Mohs 6.5blue, blue-green, sky-blue
Decrespignyite-(Y)raremineral · Mohs 3blue, greenish-blue, emerald-green
Devillineuncommonmineral · Mohs 2.5blue, greenish-blue, emerald-green
Diamondcommongemstone · Mohs 10colorless, yellow, brown- No imageDrusy Quartzcommonmineral · Mohs 7colorless, white, gray
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