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 2761–2880 of 5834 minerals (page 24 of 49).
- No imageKahleriteraremineral · Mohs 2-2.5yellow green, lemon
Kainitecommonmineral · Mohs 2.5-3colorless, blue, violet
Kainosite-(Y)raremineral · Mohs 5-6yellow, brown, colorless- No imageKainotropiteraremineral · Mohs ~5iron-black, reddish black
- No imageKaitianiteraremineral · Mohs 6
Kalborsiteraremineral · Mohs ~6brownish pink, colorless- No imageKalgoorlieiteraremineral · Mohs 2-3white, gray
Kaliboriteraremineral · Mohs 4-4.5white, colorless, gray white
Kaliciniteraremineral · Mohs 1-2white, colorless, yellowish- No imageKalifersiteraremineral · Mohs 2brownish pink
- No imageKalininiteraremineral · Mohs 5black
Kaliniteuncommonmineral · Mohs 2-2.5white, colorless- No imageKaliochalciteraremineral · Mohs 4bright grass-green
Kaliophiliteraremineral · Mohs 6colorless
Kalistrontiteraremineral · Mohs 2-2.5colorless- No imageKalithalliteraremineral · Mohs 2colorless, white
Kalsiliteraremineral · Mohs 6colorless, gray, gray white- No imageKalungaiteraremineral · Mohs 4-5lead gray
Kamacitemineral · Mohs 4steel gray, iron black
Kamaishiliteraremineral · Mohs 5-6colorless
Kamarizaiteraremineral · Mohs ~3brown, biege
Kambaldaiteraremineral · Mohs ~3light green, emerald green- No imageKamchatkiteraremineral · Mohs 3.5greenish brown
- No imageKameneviteraremineral · Mohs ~4colorless, white in aggregates
Kamiokiteraremineral · Mohs 3-4.5iron black- No imageKamitugaiteraremineral · Mohs 3yellow
Kammereriteraremineral · Mohs 2-2.5violet, purple, magenta
Kamotoite-(Y)raremineral · Mohs 2-3yellow, bright yellow
Kampfiteraremineral · Mohs 3light blue gray
Kamphaugite-(Y)raremineral · Mohs 2-3white, brown, colorless- No imageKanemiteraremineral · Mohs ~4white, colorless
- No imageKangiteraremineral
Kaňkiteraremineral · Mohs 2-3yellow green
Kannaniteraremineral · Mohs 6brownish orange, orange
Kanoiteraremineral · Mohs 6pink brown, reddish brown
Kanonaiteraremineral · Mohs 6.5greenish black- No imageKanoneroviteraremineral · Mohs 2.5-3colorless
Kaolincommonmineral · Mohs 2-2.5white, grayish, yellowish
Kaolinitecommonmineral · Mohs 2-2.5white, brownish white, grayish white
Kapellasiteraremineral · Mohs 4bluish green- No imageKapitsaite-(Y)raremineral · Mohs 5light pink, white
Kapundaiteraremineral · Mohs ~3pale, golden yellow- No imageKapustiniteraremineral · Mohs 6dark cherry red
- No imageKarasugiteraremineral · Mohs 3-4colorless
- No imageKarchevskyiteraremineral · Mohs 2white, colorless
Karelianiteraremineral · Mohs 8-9black- No imageKarenwebberiteraremineral · Mohs 4.5dark green, pale, brownish if oxidized
Karibibiteraremineral · Mohs 1-2brownish yellow
Karliteraremineral · Mohs 5.5light green, silky white
Karnasurtite-(Ce)raremineral · Mohs 2yellow, honey, light yellow- No imageKarpenkoiteraremineral · Mohs ~3orange
- No imageKarpinskiteraremineral · Mohs 2.5-3colorless, greenish blue, light blue
- No imageKarpoviteraremineral · Mohs ~2white with a bluish tint
- No imageKarupmøllerite-Cararemineral · Mohs 5white, grayish white, pinkish white
- No imageKasatkiniteraremineral · Mohs 4-4.5colorless, snow-white aggregates
Kashiniteraremineral · Mohs 7.5gray, black- No imageKaskasiteraremineral · Mohs ~1iron black
Kasoliteraremineral · Mohs 4-5yellow, green, gray green
Kassiteraremineral · Mohs 5brown red, colorless, light yellow
Kastningiteraremineral · Mohs 3.5colorless, white, beige
Katayamaliteraremineral · Mohs 3.5-4white
Katerinopoulositeraremineral · Mohs 2.5colorless, pale blue, or pale green- No imageKatiarsiteraremineral · Mohs 2.5colorless
Katoiteraremineral · Mohs 5-6colorless, milky white
Katophoriteraremineral · Mohs 5-6black, dark greenish black, bluish black
Katoptriteraremineral · Mohs 5.5black, red
Kawazuliteraremineral · Mohs 1.5tin white, silver white- No imageKayrobertsoniteraremineral · Mohs ~2snow-white
Kazakhstaniteraremineral · Mohs ~2.5black
Kazakoviteraremineral · Mohs 4light yellow- No imageKazanskyiteraremineral · Mohs 3colorless, pale tan
Keckiteraremineral · Mohs 4.5brown, gray brown, yellow brown
Kegeliteraremineral · Mohs 2.5colorless, pearl white- No imageKegginiteraremineral · Mohs ~2orange-red
- No imageKeiliteraremineral · Mohs ~4gray
- No imageKeithconniteraremineral · Mohs 5gray white
Keiviite-(Y)raremineral · Mohs 4-5colorless, white, pink brown
Keiviite-(Yb)raremineral · Mohs 4-5colorless- No imageKeldyshiteraremineral · Mohs 3.8-4.3white
Kellyiteraremineral · Mohs 2.5golden yellow, lemon yellow
Kelyaniteraremineral · Mohs 3-3.5reddish brown, brown
Kemmlitziteraremineral · Mohs 5.5colorless, gray brown, light brown
Kempiteraremineral · Mohs ~3.5emerald green
Kenhsuiteraremineral · Mohs 2-3canary yellow- No imageKenngottiteraremineral · Mohs 2-3iron-black, dark gray
- No imageKenoargentotetrahedrite-(Fe)raremineral · Mohs 3-4iron-black, steel-gray
- No imageKenoplumbomicroliteraremineral · Mohs ~6yellowish brown
- No imageKenotobermoriteraremineral · Mohs 2.5-3white, colorless
Kentbrooksiteraremineral · Mohs 5-6yellowish brown
Kentroliteraremineral · Mohs 5dark reddish brown, reddish black- No imageKenyaiteraremineral · Mohs 2-3white
- No imageKerimasiteraremineral · Mohs ~7dark brown
Kermesiteraremineral · Mohs 1-1.5cherry red, violet red, red
Kësteriteuncommonmineral · Mohs 4.5greenish black
Kettneriteraremineral · Mohs 3yellow, brown, brownish yellow- No imageKeutschiteraremineral · Mohs 3-4gray, black
Keyiteraremineral · Mohs 3.5-4azure- No imageKeystoneiteraremineral · Mohs 2-3golden yellow, orange yellow
Khademiteraremineral · Mohs 1-2colorless, white
Khaidarkaniteraremineral · Mohs ~2.5bright blue
Khamrabaeviteraremineral · Mohs >9dark gray
Khanneshiteraremineral · Mohs 3-4light yellow- No imageKharaelakhiteraremineral · Mohs 3.5-4bronze brown
Khatyrkiteraremineral · Mohs 5.5steel-gray yellow
Khesiniteraremineral · Mohs 6black, dark brown on thin edges- No imageKhibinskiteraremineral · Mohs 4.5-5.5colorless, white, light yellow
Khiniteraremineral · Mohs 3.5dark green- No imageKhmaraliteraremineral · Mohs ~7very dark green
Khomyakoviteraremineral · Mohs 5-6orange, orange red- No imageKhrenoviteraremineral · Mohs 4-5yellow, yellowish-brown
Khristovite-(Ce)raremineral · Mohs 5brown, dark brown
Khurayyimiteraremineral · Mohs 4colorless, white- No imageKhvoroviteraremineral · Mohs 5-5.5colorless, white
Kiddcreekiteraremineral · Mohs 4gray, gray brown
Kidwelliteraremineral · Mohs 3yellow, greenish yellow, greenish white- No imageKieftiteraremineral · Mohs 5-5.5tin white
Kieseritecommonmineral · Mohs 3.5white, colorless, green yellow- No imageKihlmanite-(Ce)raremineral · Mohs ~3brown
Kilchoaniteraremineral · Mohs 5colorless
Killalaiteraremineral · Mohs 5.5colorless, white
Identify minerals in the field
Open RockHoundR to look up properties offline and find rockhounding spots near you.
