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 2641–2760 of 5834 minerals (page 23 of 49).
Kassiteraremineral · Mohs 4colorless, white, yellowish
Kastningiteraremineral · Mohs 3.5pink, violet, reddish-pink
Katayamaliteraremineral · Mohs 5pink, white, colorless
Katerinopoulositeraremineral · Mohs 2-3white, colorless- No imageKatiarsiteraremineral · Mohs 2.5white, colorless
Katoiteraremineral · Mohs 6white, colorless, pale yellow
Katophoriteraremineral · Mohs 5-6dark brown, brownish red, black
Katoptriteraremineral · Mohs 5-6black
Kawazuliteraremineral · Mohs 1.5-2tin-white, lead-gray- No imageKayrobertsoniteraremineral · Mohs 3.5yellow, pale yellow
Kazakhstaniteraremineral · Mohs 1-2black, dark brown
Kazakoviteraremineral · Mohs 4pink, red, brown- No imageKazanskyiteraremineral · Mohs 3yellow, brown
Keckiteraremineral · Mohs 3-4yellowish-brown, brown
Kegeliteraremineral · Mohs 2.5white, gray, colorless- No imageKegginiteraremineral · Mohs 2yellow, yellow-orange
- No imageKeiliteraremineral · Mohs 3.5-4black, brown
- No imageKeithconniteraremineral · Mohs 3.5-4bronze, white
Keiviite-(Y)raremineral · Mohs 5colorless, white, yellowish
Keiviite-(Yb)raremineral · Mohs 5-6colorless, white, yellowish-white- No imageKeldyshiteraremineral · Mohs 5-6white, colorless, gray
Kellyiteraremineral · Mohs 2.5yellow, yellow-green
Kelyaniteraremineral · Mohs 3.5yellow, yellow-orange
Kemmlitziteraremineral · Mohs 4.5yellow, brown, yellowish-brown
Kempiteraremineral · Mohs 3.5emerald-green, olive-green
Kenhsuiteraremineral · Mohs 2red, reddish-orange- No imageKenngottiteraremineral · Mohs 2-3iron-black, dark gray
Kenoargentotetrahedrite-(Fe)raremineral · Mohs 3-4iron-black, steel-gray- No imageKenoplumbomicroliteraremineral · Mohs 5-5.5yellow, brown, orange
- No imageKenotobermoriteraremineral · Mohs 2.5-3white, colorless
Kentbrooksiteraremineral · Mohs 5-6brown, yellow-brown, pinkish-brown
Kentroliteraremineral · Mohs 5dark brown, black, reddish-brown
Kenyaiteraremineral · Mohs 2-3white, colorless
Keokuk Geodecommonmineral · Mohs 7clear, white, gray- No imageKerimasiteraremineral · Mohs 6.5-7black
Kermesiteraremineral · Mohs 1-1.5cherry-red, dark red
Kerniteuncommonmineral · Mohs 2.5-3colorless, white, gray
Kësteriteraremineral · Mohs 3.5brown, brownish-black, black
Kettneriteraremineral · Mohs 3yellow, yellowish-white, colorless
Keutschiteraremineral · Mohs 3-4gray, black
Keweenaw Agatecommonmineral · Mohs 6.5-7red, orange, white
Keyiteraremineral · Mohs 3-4green, yellow-green- No imageKeystoneiteraremineral · Mohs 2-3blue, greenish blue
Khademiteraremineral · Mohs 2.5-3yellow, yellowish-white, colorless
Khaidarkaniteraremineral · Mohs 2blue, greenish-blue
Khamrabaeviteraremineral · Mohs 8-9gray, silver-gray
Khanneshiteraremineral · Mohs 3-4white, colorless, pale yellow- No imageKharaelakhiteraremineral · Mohs 3.5-4gray, brownish-gray
Khatyrkiteraremineral · Mohs 4silver-white, pale brass-yellow
Khesiniteraremineral · Mohs 5-6black, brown- No imageKhibinskiteraremineral · Mohs 5colorless, white, pale yellow
Khiniteraremineral · Mohs 3yellow, greenish-yellow- No imageKhmaraliteraremineral · Mohs 7-7.5dark blue, greenish-blue, dark green
Khomyakoviteraremineral · Mohs 5-6red, orange-red- No imageKhrenoviteraremineral · Mohs 4-5yellow, yellowish-brown
Khristovite-(Ce)raremineral · Mohs 6-7brown, yellowish-brown
Khurayyimiteraremineral · Mohs 4colorless, white- No imageKhvoroviteraremineral · Mohs 7yellow, brown, reddish-brown
Kiddcreekiteraremineral · Mohs 3.5pinkish-bronze, copper-red
Kidwelliteraremineral · Mohs 3.5yellow, yellow-green, brownish-yellow- No imageKieftiteraremineral · Mohs 3.5silver-white, gray
Kieseritecommonmineral · Mohs 3.5white, colorless, yellowish- No imageKihlmanite-(Ce)raremineral · Mohs 3.5-4yellowish-brown, brown, yellow
Kilchoaniteraremineral · Mohs 5white, colorless
Killalaiteraremineral · Mohs 5.5colorless, white
Kimrobinsoniteraremineral · Mohs 2.5colorless, white- No imageKimseyiteraremineral · Mohs 7dark brown, black
Kimuraite-(Y)raremineral · Mohs 3.5pink, white, colorless
Kimzeyiteraremineral · Mohs 7dark brown, black, reddish brown
Kingiteraremineral · Mohs 2white
Kingman Turquoisecommonmineral · Mohs 5-6blue, green, blue-green- No imageKingsmountiteraremineral · Mohs 3-4white, colorless, pale yellow
- No imageKingstoniteraremineral · Mohs 3.5white, cream
- No imageKinichiliteraremineral · Mohs 3yellow, yellowish-orange
Kinoiteraremineral · Mohs 5blue, azure-blue
Kinoshitaliteraremineral · Mohs 2.5-3yellow, brown, orange
Kintoreiteraremineral · Mohs 3.5-4yellow, brownish yellow, olive green
Kipushiteraremineral · Mohs 4green, blue-green, bluish-green
Kircheriteraremineral · Mohs 5-6colorless, white, yellow- No imageKirchhoffiteraremineral · Mohs 4.5-5white, colorless
Kirkiiteraremineral · Mohs 3lead-gray, black
Kirschsteiniteraremineral · Mohs 6yellowish-green, brownish, colorless- No imageKitagohaiteraremineral · Mohs 3.5-4white, silver-white
Kitkaiteraremineral · Mohs 3.5white, gray- No imageKittatinnyiteraremineral · Mohs 3yellow, yellow-brown
Kladnoiteraremineral · Mohs 1.5white, yellowish, brownish- No imageKlajiteraremineral · Mohs 2-3yellow, yellow-green
- No imageKlaprothiteraremineral · Mohs 2.5steel-gray, blackish-gray
Klebelsbergiteraremineral · Mohs 2-2.5yellow, yellowish-green, colorless
Kleberiteraremineral · Mohs 5-6black, brown
Kleemaniteraremineral · Mohs 3.5white, colorless, pale yellow
Kleiniteraremineral · Mohs 3.5yellow, pale yellow, orange-yellow- No imageKlöchiteraremineral · Mohs 7dark brown, black
Klockmanniteraremineral · Mohs 2-3slate-gray, bluish-gray
Klyuchevskiteraremineral · Mohs 2-2.5green, yellow-green- No imageKnasibfiteraremineral · Mohs 3colorless, white
- No imageKnife River Flintuncommonmineral · Mohs 6.5-7brown, dark brown, yellowish-brown
- No imageKnorringiteraremineral · Mohs 7-7.5dark green, emerald green
- No imageKoashviteraremineral · Mohs 5-6red, brownish-red, yellow-brown
Kobeite-(Y)raremineral · Mohs 5-6black, brownish black
Kobelliteraremineral · Mohs 2.5-3lead-gray, black
Kobokoboiteraremineral · Mohs 3white, colorless
Kobyasheviteraremineral · Mohs 2-3blue, pale blue- No imageKochiteraremineral · Mohs 3.5-4colorless, white
- No imageKochkariteraremineral · Mohs 2steel-gray, silver-white
Kochsándoriteraremineral · Mohs 2white, colorless
Koechliniteraremineral · Mohs 3yellow, greenish-yellow, pale yellow
Koeneniteraremineral · Mohs 1.5-2white, yellow, red
Kogarkoiteraremineral · Mohs 3.5colorless, white, pale yellow- No imageKojoneniteraremineral · Mohs 3.5-4pinkish-white
- No imageKokchetaviteraremineral · Mohs 2.5-3colorless, white, pale yellow
- No imageKokinositeraremineral · Mohs 2-3orange, yellow
- No imageKoksharoviteraremineral · Mohs 4.5yellow, yellowish-brown
Koktaiteraremineral · Mohs 2colorless, white- No imageKolariteraremineral · Mohs 2yellow, brownish-yellow
Kolbeckiteraremineral · Mohs 3.5-4apple-green, blue-green, yellowish-green- No imageKolfaniteraremineral · Mohs 6.5-7.5yellow, brown, reddish-brown
Koliciteraremineral · Mohs 5-6orange, reddish-orange
Kolitschiteraremineral · Mohs 2-3yellow, yellowish-orange
Kolleriteraremineral · Mohs 2-3yellow, pale yellow
Identify minerals in the field
Open RockHoundR to look up properties offline and find rockhounding spots near you.
