Rare rocks & minerals
Rare rocks and minerals occur in only a handful of localities worldwide, or in such small quantities that good specimens command serious money. These are the trophy pieces of cabinet collectors.
Showing 4441–4560 of 4900 rare entries (page 38 of 41).
Tsepinite-Nararemineral · Mohs 5yellow, brown, colorless- No imageTsepinite-Srraremineral · Mohs 5-6yellow, brown, white
Tsikourasiteraremineral · Mohs 4silver-white, gray- No imageTsilaisiteraremineral · Mohs 7-7.5yellow, yellow-brown, brown
- No imageTsnigriiteraremineral · Mohs 3-3.5dark gray, black
Tsugaruiteraremineral · Mohs 2white, colorless, pale yellow
Tsumcoriteraremineral · Mohs 4.5yellow, brown, orange
Tsumebiteraremineral · Mohs 3-3.5green, emerald-green, yellow-green- No imageTsumgalliteraremineral · Mohs 5-6colorless, white
Tsumoiteraremineral · Mohs 1.5-2white, lead-gray
Tsygankoiteraremineral · Mohs 3-3.5steel-gray, black
Tučekiteraremineral · Mohs 3.5white, gray
Tugarinoviteraremineral · Mohs 4-5yellow, brown
Tugtupiteraremineral · Mohs 4pink, red, white- No imageTuhualiteraremineral · Mohs 4deep blue, violet-blue, purple
- No imageTuiteraremineral · Mohs 5-6colorless, white
Tulameeniteraremineral · Mohs 4.5-5silver-white, creamy-white
Tuliokiteraremineral · Mohs 3.5colorless, white, yellowish- No imageTululiteraremineral · Mohs 3.5yellow, brownish-yellow
Tumchaiteraremineral · Mohs 5colorless, white, pale yellow
Tundrite-(Ce)raremineral · Mohs 3-4yellow, brownish yellow, greenish yellow- No imageTundrite-(Nd)raremineral · Mohs 4-5yellow, yellowish-brown, reddish-brown
Tunelliteraremineral · Mohs 3.5colorless, white
Tungstenraremineral · Mohs 7.5steel-gray, silver-white, blackish-gray
Tungsteniteraremineral · Mohs 1.5-2lead-gray, dark gray
Tungstibiteraremineral · Mohs 1.5yellow, yellowish-brown
Tungusiteraremineral · Mohs 2-3greenish-white, pale green, white
Tunisiteraremineral · Mohs 3white, colorless
Tuperssuatsiaiteraremineral · Mohs 2brown, yellowish-brown, reddish-brown
Turaniteraremineral · Mohs 3-4dark olive-green, pistachio-green, blackish-green- No imageTurkestaniteraremineral · Mohs 5yellow, brownish-yellow, brown
Turneaureiteraremineral · Mohs 5white, colorless, yellow- No imageTurtmanniteraremineral · Mohs 4-5yellow, brown, reddish-brown
Tuscaniteraremineral · Mohs 5yellow, yellowish-orange
Tusioniteraremineral · Mohs 5-5.5yellow, brown, pink- No imageTuzlaiteraremineral · Mohs 3.5colorless, white
Tvalchrelidzeiteraremineral · Mohs 3-3.5dark gray, black
Tvedaliteraremineral · Mohs 3-4white, yellowish-white, pale yellow
Tveitite-(Y)raremineral · Mohs 3.5white, colorless, yellowish-white
Tvrdýiteraremineral · Mohs 4-5green, yellow-green
Tweddilliteraremineral · Mohs 6-6.5black, brownish black- No imageTwinniteraremineral · Mohs 3.5lead-gray, black
Tychiteraremineral · Mohs 4white, colorless, pale yellow
Tyretskiteraremineral · Mohs 3.5white, colorless, gray
Tyrrelliteraremineral · Mohs 3.5-4gray, steel gray
Uakititeraremineral · Mohs nullgray, white
Uchucchacuaiteraremineral · Mohs 3.5gray, lead-gray
Udinaiteraremineral · Mohs 6yellow, pale yellow- No imageUdumineliteraremineral · Mohs 3-4yellow, yellowish-brown
- No imageUedaite-(Ce)raremineral · Mohs 6-7dark brown, black
- No imageUklonskoviteraremineral · Mohs 2.5white, colorless
Ulrichiteraremineral · Mohs 3emerald green, apple green
Umangiteraremineral · Mohs 2.5-3dark blue, violet-blue, reddish-violet
Umbiteraremineral · Mohs 4-5colorless, white
Umbozeriteraremineral · Mohs 4brown, yellow, orange- No imageUmbrianiteraremineral · Mohs 3.5colorless, white, yellow
Umohoiteraremineral · Mohs 2-3black, dark blue, bluish-black- No imageUngavaiteraremineral · Mohs 3-3.5gray, white
- No imageUngemachiteraremineral · Mohs 2.5colorless, yellow, white
- No imageUpaliteraremineral · Mohs 2-3yellow, green
Uralboriteraremineral · Mohs 5colorless, white
Uraloliteraremineral · Mohs 3-4white, colorless, pale yellow- No imageUramarsiteraremineral · Mohs 2-3yellow, yellow-green
- No imageUramphiteraremineral · Mohs 2-3emerald green
- No imageUrancalcariteraremineral · Mohs 2.5yellow, greenish-yellow
Uraniumraremineral · Mohs 6silvery-white, gray- No imageUranopolycraseraremineral · Mohs 5.5-6.5black, brownish-black
- No imageUranosiliteraremineral · Mohs 3yellow, pale yellow
Uranospathiteraremineral · Mohs 2.5yellow, yellow-green- No imageUranosphaeriteraremineral · Mohs 2-3orange, orange-yellow, yellow
Uranospiniteraremineral · Mohs 2-3yellow, yellow-green, light green
Uranotungstiteraremineral · Mohs 2-3yellow, yellowish-orange
Ureararemineral · Mohs 2white, colorless- No imageUriciteraremineral · Mohs 2colorless, white, yellow
- No imageUroxiteraremineral · Mohs 2-3yellow, yellowish-green
Urusoviteraremineral · Mohs 3white, colorless
Urvantseviteraremineral · Mohs 2.5-3white, gray
Ushkoviteraremineral · Mohs 3yellow, yellowish-brown- No imageUsoviteraremineral · Mohs 4colorless, white
Ussingiteraremineral · Mohs 6-7violet, pink, lavender
Ustarasiteraremineral · Mohs 2.5-3lead-gray, steel-gray- No imageUsturiteraremineral · Mohs 5-6dark brown, black
Utahiteraremineral · Mohs 2.5yellow, golden yellow- No imageUvaniteraremineral · Mohs 1.5-2yellow, brownish-yellow
Uvaroviteraremineral · Mohs 6.5-7.5emerald green
Uytenbogaardtiteraremineral · Mohs 2.5white, pale yellow
Uzoniteraremineral · Mohs 1.5-2yellow, orange
Vaesiteraremineral · Mohs 5.5black, grayish-black
Vajdakiteraremineral · Mohs 2yellow, orange-yellow
Valleriiteraremineral · Mohs 1bronze-brown, blackish-brown- No imageValleyiteraremineral · Mohs 1bronze-brown, black
- No imageVanackeriteraremineral · Mohs 3.5-4yellow, brownish-yellow, orange
- No imageVanadio-oxy-chromium-draviteraremineral · Mohs 7-7.5dark green, emerald green
- No imageVanadio-oxy-draviteraremineral · Mohs 7-7.5dark green, emerald green, brownish green
Vanadio-pargasiteraremineral · Mohs 6dark green, emerald green- No imageVanadiocarpholiteraremineral · Mohs 5-5.5yellow, pale yellow
Vanadiumraremineral · Mohs 7silver-gray- No imageVanadoallanite-(La)raremineral · Mohs 6-6.5black, brown
- No imageVanadoandrosite-(Ce)raremineral · Mohs 6-6.5black, brownish-black
- No imageVanadomalayaiteraremineral · Mohs 5-5.5yellow, brown
Vanaliteraremineral · Mohs 1yellow, yellow-orange- No imageVanarsiteraremineral · Mohs 2dark green, black
Vandenbrandeiteraremineral · Mohs 3green, dark green, emerald green
Vandendriesscheiteraremineral · Mohs 3orange, yellow, orange-yellow- No imageVanderheydeniteraremineral · Mohs 3white, colorless, gray
Vandermeerscheiteraremineral · Mohs 2yellow, yellow-green- No imageVaniniiteraremineral · Mohs 3yellow, orange, brownish-yellow
Vanmeersscheiteraremineral · Mohs 3yellow, yellowish-green
Vanoxiteraremineral · Mohs 2-3black
Vantasseliteraremineral · Mohs 3.5white, colorless
Vanthoffiteraremineral · Mohs 3.5colorless, white, gray
Vanuraliteraremineral · Mohs 2yellow, bright yellow- No imageVapnikiteraremineral · Mohs 3white, colorless
Varennesiteraremineral · Mohs 3colorless, white, pale yellow
Varlamoffiteraremineral · Mohs 2-3yellow, yellowish-brown, pale yellow- No imageVaruliteraremineral · Mohs 4-4.5green, yellowish-green, olive-green
Vashegyiteraremineral · Mohs 3white, yellowish-white, greenish-white
Vasiliteraremineral · Mohs 3lead-gray, silver-white- No imageVasilseverginiteraremineral · Mohs 2.5-3green, yellow-green
- No imageVasilyeviteraremineral · Mohs 2-3yellow, yellowish-brown, orange
Hunt the unusual
Open RockHoundR to find mapped spots and log finds wherever they show up.
