Mineral rocks & minerals
Minerals are naturally occurring inorganic solids with a defined chemical composition and crystalline structure. They are the building blocks of every rock you pick up in the field.
Showing 2881–3000 of 5834 minerals (page 25 of 49).
Kimrobinsoniteraremineral · Mohs 2.5lemon white- No imageKimseyiteraremineral · Mohs 7dark brown, black
Kimuraite-(Y)raremineral · Mohs 2.5white, light purple pink, light pink
Kimzeyiteraremineral · Mohs ~7dark brown
Kingiteraremineral · Mohs 2white- No imageKingsmountiteraremineral · Mohs ~2.5light brown, pearl white
- No imageKingstoniteraremineral · Mohs ~6gray
- No imageKinichiliteraremineral · Mohs 2dark brown
Kinoiteraremineral · Mohs 4-5azure blue
Kinoshitaliteraremineral · Mohs 2.5-3yellow brown, colorless
Kintoreiteraremineral · Mohs 4cream white, yellowish green, brownish yellow
Kipushiteraremineral · Mohs 4emerald green
Kircheriteraremineral · Mohs ~5.5colorless- No imageKirchhoffiteraremineral · Mohs 6-6.5colorless
Kirkiiteraremineral · Mohs 3.5tin white
Kirschsteiniteraremineral · Mohs 5.5colorless, light green- No imageKitagohaiteraremineral · Mohs 3.5grayish white
Kitkaiteraremineral · Mohs 3.5yellow gray- No imageKittatinnyiteraremineral · Mohs ~4bright yellow
Kladnoiteraremineral · Mohs 1.5white, colorless- No imageKlajiteraremineral · Mohs 2-3greenish yellow, yellowish green
- No imageKlaprothiteraremineral · Mohs ~2.5yellowish green, greenish yellow
Klebelsbergiteraremineral · Mohs 3.5-4colorless, yellow orange, white
Kleberiteraremineral · Mohs 4-4.5black, dark brown
Kleemaniteraremineral · Mohs 3colorless, brownish yellow
Kleiniteraremineral · Mohs 3.5-4yellow, orange- No imageKlöchiteraremineral · Mohs 7blue
Klockmanniteraremineral · Mohs 2-3blue black, grayish black, dark gray
Klyuchevskiteraremineral · Mohs 2.5dark green, olive green- No imageKnasibfiteraremineral · Mohs 3colorless
Knife River Flintuncommonmineral · Mohs 6.5-7brown, dark brown, yellowish-brown- No imageKnorringiteraremineral · Mohs ~7blue green, green
- No imageKoashviteraremineral · Mohs 6brownish yellow, light yellow
Kobeite-(Y)raremineral · Mohs 5.5black, brown, brownish black
Kobelliteraremineral · Mohs 2.5-3lead gray, steel gray
Kobokoboiteraremineral · Mohs 2white
Kobyasheviteraremineral · Mohs 2.5bluish-green, turquoise-blue- No imageKochiteraremineral · Mohs 5pale brown, colorless
- No imageKochkariteraremineral · Mohs 3.5-4silver gray
Kochsándoriteraremineral · Mohs 2-2.5white
Koechliniteraremineral · Mohs 3yellow, greenish yellow, white
Koeneniteraremineral · Mohs 1.5-2colorless, light yellow, dark red
Kogarkoiteraremineral · Mohs 3.5colorless, white, light blue- No imageKojoneniteraremineral · Mohs 3.5-4pinkish-white
- No imageKokchetaviteraremineral · Mohs 2.5-3
- No imageKokinositeraremineral · Mohs ~1.5yellow-orange
- No imageKoksharoviteraremineral · Mohs ~4.5yellowish brown, reddish brown
Koktaiteraremineral · Mohs 2colorless, white- No imageKolariteraremineral · Mohs 2gray
Kolbeckiteraremineral · Mohs 3-5blue gray, colorless, greenish white- No imageKolfaniteraremineral · Mohs 2.5red, yellow, orange
Koliciteraremineral · Mohs ~4.5yellow orange
Kolitschiteraremineral · Mohs 4yellowish green
Kolleriteraremineral · Mohs 2-3yellow, pale yellow
Kolovratiteraremineral · Mohs 2-3yellow, greenish yellow- No imageKolskyiteraremineral · Mohs 3pinkish yellow
Kolweziteraremineral · Mohs ~4beige brown, green, black
Kolymiteraremineral · Mohs 4tin white, brownish black, black
Komaroviteraremineral · Mohs 1.5-2white, light brown, light pink
Kombatiteraremineral · Mohs 2-3light yellow
Komkoviteraremineral · Mohs 3-4brown- No imageKonderiteraremineral · Mohs 5.5steel gray
Koninckiteraremineral · Mohs 3.5yellow, white- No imageKononoviteraremineral · Mohs ~3white
Konyaiteraremineral · Mohs 2.5white, colorless- No imageKoragoiteraremineral · Mohs 4-5red, brownish red
- No imageKoritnigiteraremineral · Mohs 2colorless
- No imageKorneliteraremineral · Mohs 2.5pale rose pink, violet
Kornerupineraremineral · Mohs 6-7green, brown, colorless
Korobitsyniteraremineral · Mohs ~5colorless
Korshunovskiteraremineral · Mohs 2colorless- No imageKoryakiteraremineral · Mohs 3-4white, colorless
Korzhinskiteraremineral · Mohs 3.5colorless
Kosmochlorraremineral · Mohs ~6emerald green
Kosnariteraremineral · Mohs 4.5colorless, gray blue, light green- No imageKostoviteraremineral · Mohs 2-2.5gray white
Kostyleviteraremineral · Mohs ~5colorless, light yellow
Kotoiteraremineral · Mohs 6.5white, colorless
Kottenheimiteraremineral · Mohs 2-2.5snow-white
Köttigiteraremineral · Mohs 2-3red, brownish
Kotulskiteraremineral · Mohs 4-4.5gray, steel gray
Koutekiteraremineral · Mohs ~4gray blue
Kovdorskiteraremineral · Mohs 4colorless, greenish blue, light pink- No imageKozoite-(La)raremineral · Mohs 4-4.5white, pale pinkish purple
- No imageKozoite-(Nd)raremineral · Mohs 4-4.5white, pale pinkish purple
- No imageKozyrevskiteraremineral · Mohs ~3.5bright grass-green
Kraissliteraremineral · Mohs 3-4copper brown, dark copper brown- No imageKrasheninnikoviteraremineral · Mohs 2.5-3colorless
Krásnoiteraremineral · Mohs 4white, colorless- No imageKrasnoshteiniteraremineral · Mohs 2colorless
Krasnoviteraremineral · Mohs 2pale blue- No imageKratochvíliteraremineral · Mohs 1-2white
- No imageKrausiteraremineral · Mohs 2.5yellow green, light yellow, lemon
- No imageKrauskopfiteraremineral · Mohs ~4colorless, white
Krautiteraremineral · Mohs <4light pink
Kremersiteraremineral · Mohs 2red, brown red, orange
Krenneriteraremineral · Mohs 2-3white, blackish yellow- No imageKrettnichiteraremineral · Mohs 4.5dark brown, black
Kribergiteraremineral · Mohs 3.5white
Krieseliteraremineral · Mohs 5.5-6.5beige, white
Krinoviteraremineral · Mohs 5.5-7dark green, emerald green
Kristianseniteraremineral · Mohs 5.5-6colorless, white- No imageKrivovicheviteraremineral · Mohs 3colorless, pale gray
Kröhnkiteuncommonmineral · Mohs 2.5-3blue, dark sky blue, greenish blue- No imageKrotiteraremineral · Mohs ~6.5colorless
- No imageKroupaiteraremineral · Mohs ~2orange-yellow
Kruijeniteraremineral · Mohs 3colorless, pale greenish yellow
Krupkaiteuncommonmineral · Mohs 4dark steel gray, steel gray
Kruťaiteraremineral · Mohs 4gray
Krutoviteraremineral · Mohs 5.5gray white
Kryzhanovskiteraremineral · Mohs 3.5-4bronze, greenish brown, dark reddish brown
Ktenasiteraremineral · Mohs 2-2.5blue, blue green, green- No imageKuannersuite-(Ce)raremineral · Mohs 4.5-5.5light rose
Kudriaviteraremineral · Mohs 2dark reddish gray- No imageKudryavtsevaiteraremineral · Mohs ~6grayish black
Kukharenkoite-(Ce)raremineral · Mohs ~4.5colorless, yellow, reddish brown- No imageKukharenkoite-(La)raremineral · Mohs 4white, pale leek green, colorless
Kukisvumiteraremineral · Mohs 5.5-6white, colorless
Kuksiteraremineral · Mohs 5gray
Kulaniteraremineral · Mohs ~4blue, blue green, green
Identify minerals in the field
Open RockHoundR to look up properties offline and find rockhounding spots near you.
