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 4321–4440 of 4900 rare entries (page 37 of 41).
Tetrataeniteraremineral · Mohs 5-5.5silver-white, gray
Tetrawickmaniteraremineral · Mohs 4yellow, yellow-orange, brown
Tewiteraremineral · Mohs 2yellow, yellowish-green- No imageThadeuiteraremineral · Mohs 5yellowish-brown, brown
- No imageThalcusiteraremineral · Mohs 3.5bronze-yellow, brass-yellow
Thalénite-(Y)raremineral · Mohs 6.5pink, flesh-red, gray
Thalfenisiteraremineral · Mohs 3steel-gray, black- No imageThalhammeriteraremineral · Mohs 3.5white, pale yellow
- No imageThalliumpharmacosideriteraremineral · Mohs 2.5yellow, yellowish-green, brown
Theisiteraremineral · Mohs 2.5green, yellow-green- No imageTheoparacelsiteraremineral · Mohs 3.5green, dark green, emerald green
Theophrastiteraremineral · Mohs 3-3.5emerald-green, grass-green
Therasiaiteraremineral · Mohs 3.5white, colorless
Thérèsemagnaniteraremineral · Mohs 2-3blue, greenish blue
Thermaerogeniteraremineral · Mohs 7.5-8dark green, black
Thermessaiteraremineral · Mohs 2colorless, white- No imageThermessaite-(NH4)raremineral · Mohs 2-3colorless, white
Thomasclarkite-(Y)raremineral · Mohs 3white, colorless
Thometzekiteraremineral · Mohs 3.5green, yellow-green
Thomsenoliteraremineral · Mohs 2colorless, white, pale yellow- No imageThorasphiteraremineral · Mohs 4white, colorless
Thorbastnäsiteraremineral · Mohs 4-4.5yellow, brown, colorless- No imageThoreauliteraremineral · Mohs 5.5yellow, brown, colorless
Thorianiteraremineral · Mohs 6.5-7black, brownish-black, reddish-brown
Thorikositeraremineral · Mohs 3yellow, yellowish-white
Thoriteraremineral · Mohs 4.5-5black, brown, orange
Thoriumraremineral · Mohs 6.5-7lead-gray, black, brown
Thornasiteraremineral · Mohs 5colorless, white, pinkish- No imageThorneiteraremineral · Mohs 2yellow, pale yellow
Thorogummiteraremineral · Mohs 4-5yellowish-brown, brown, grayish-brown- No imageThorosteenstrupineraremineral · Mohs 4.5-5brown, yellow, reddish-brown
Thortveititeraremineral · Mohs 6-7grayish-green, gray, greenish-white- No imageThorutiteraremineral · Mohs 5-6black, brownish-black
Threadgolditeraremineral · Mohs 2yellow, golden yellow
Tiemanniteraremineral · Mohs 2.5steel-gray, iron-black
Tienshaniteraremineral · Mohs 6.5yellow, brown, colorless
Tiettaiteraremineral · Mohs 3-4yellow, brown
Tikhonenkoviteraremineral · Mohs 3colorless, white
Tilasiteraremineral · Mohs 5yellow, yellowish-brown, colorless
Tilleyiteraremineral · Mohs 3colorless, white, grayish- No imageTillmannsiteraremineral · Mohs 3.5silver-white, light gray
Timroseiteraremineral · Mohs 3dark green, black
Tinaksiteraremineral · Mohs 6orange, yellow-orange, brown
Tinnunculiteraremineral · Mohs 2white, yellowish-white
Tinsleyiteraremineral · Mohs 3.5-4white, colorless, pale pink
Tinticiteraremineral · Mohs 3yellow, yellow-brown, white
Tintinaiteraremineral · Mohs 3-3.5lead-gray, steel-gray
Tinzeniteraremineral · Mohs 6.5-7yellow, orange, brown
Tiptopiteraremineral · Mohs 3.5white, colorless, pink
Tiragalloiteraremineral · Mohs 4-5orange, reddish-orange- No imageTischendorfiteraremineral · Mohs 3-4white, gray
Tisinaliteraremineral · Mohs 5-6yellow, yellowish-brown
Tissintiteraremineral · Mohs 6-7white, colorless
Tistariteraremineral · Mohs 9blue, colorless, gray
Titanoholtiteraremineral · Mohs 7-8brown, yellow-brown
Titanowodginiteraremineral · Mohs 5-6black, brown
Titantaramelliteraremineral · Mohs 5-6brown, yellowish-brown- No imageTivaniteraremineral · Mohs 5-6black
Tlalociteraremineral · Mohs 2azure, bright blue
Tlapalliteraremineral · Mohs 1-2yellow, greenish-yellow, apple-green
Tobeliteraremineral · Mohs 2-3white, colorless, grayish
Tochiliniteraremineral · Mohs 1.5-2black, bronze-brown
Tocornaliteraremineral · Mohs 2-3yellow, pale yellow, brownish yellow- No imageTokkoiteraremineral · Mohs 5-6yellow, brown, yellow-brown
Tokyoiteraremineral · Mohs 3.5-4yellow, yellowish-green, brown- No imageTolbachiteraremineral · Mohs 2dark red, copper red
Tolovkiteraremineral · Mohs 3.5white, gray
Tomichiteraremineral · Mohs 5-6dark brown, black
Tondiiteraremineral · Mohs 3dark green, blackish green
Tongbaiteraremineral · Mohs 8-9white, gray
Tooeleiteraremineral · Mohs 2yellow, orange-yellow
Törnebohmite-(Ce)raremineral · Mohs 4.5green, yellowish-green, olive-green- No imageTörnebohmite-(La)raremineral · Mohs 4.5green, yellowish-green, olive-green
- No imageTörnroositeraremineral · Mohs 3-4black
- No imageTorrecillasiteraremineral · Mohs 3yellow, yellow-brown
Torreyiteraremineral · Mohs 2-3yellow, yellowish-orange- No imageToturiteraremineral · Mohs 6-7dark brown, black
Tounkiteraremineral · Mohs 5.5-6blue, white, colorless- No imageTownenditeraremineral · Mohs 5.5colorless, white
Toyohaiteraremineral · Mohs 3.5gray, black- No imageTrabzoniteraremineral · Mohs 5-6white, colorless, pale gray
- No imageTranquillityiteraremineral · Mohs 5-6dark brown, reddish brown, opaque black
- No imageTransjordaniteraremineral · Mohs 4-5red, brown, black
Traskiteraremineral · Mohs 4-5brown, reddish-brown- No imageTrattneriteraremineral · Mohs 6-7colorless, pale yellow, brownish
Treasuriteraremineral · Mohs 3.5colorless, white, gray- No imageTrébeurdeniteraremineral · Mohs 2green, yellowish-green, pale green
Trechmanniteraremineral · Mohs 1.5-2deep red, scarlet, orange-red- No imageTredouxiteraremineral · Mohs 5-6black
- No imageTrembathiteraremineral · Mohs 7colorless, white, gray
Trevoriteraremineral · Mohs 5black, brownish-black
Trianguliteraremineral · Mohs 2.5-3yellow, yellowish-green
Triazoliteraremineral · Mohs 3colorless, white- No imageTrigodomeykiteraremineral · Mohs 3-3.5silver-white, tin-white, pale yellow
Trigoniteraremineral · Mohs 2.5-3yellow, yellowish-brown- No imageTrikalsiliteraremineral · Mohs 6colorless, white, gray
Trilithioniteraremineral · Mohs 2.5-3pink, violet, purple
Trimeriteraremineral · Mohs 6-7colorless, pink, flesh-red- No imageTrimounsite-(Y)raremineral · Mohs 6-6.5yellow, brown, colorless
Trinephelineraremineral · Mohs 5.5-6colorless, white, gray
Tripliteraremineral · Mohs 4-5.5brown, reddish-brown, orange-brown
Triploiditeraremineral · Mohs 4.5-5yellow, yellow-brown, pink- No imageTrippkeiteraremineral · Mohs 3-4blue, blue-green, green
Tripuhyiteraremineral · Mohs 5.5yellow, greenish yellow, brownish yellow
Tristramiteraremineral · Mohs 3.5-4white, yellowish, brown- No imageTritomite-(Ce)raremineral · Mohs 5-6brown, dark brown, black
Tritomite-(Y)raremineral · Mohs 5.5brown, dark brown, reddish brown
Trögeriteraremineral · Mohs 2-3red, orange, yellow
Trogtaliteraremineral · Mohs 4.5-5gray, dark gray, black
Trolleiteraremineral · Mohs 5.5-6pale green, blue-green, white
Truscottiteraremineral · Mohs 2.5-3white, pale yellow, brownish- No imageTrüstedtiteraremineral · Mohs 4.5-5pinkish-white, gray
- No imageTsangpoiteraremineral · Mohs 4.5white, colorless, pale yellow
Tsaregorodtseviteraremineral · Mohs 6colorless, white, gray- No imageTschauneriteraremineral · Mohs 8black
Tschermigiteraremineral · Mohs 1.5-2colorless, white
Tschernichiteraremineral · Mohs 4-5white, colorless, yellowish
Tschörtneriteraremineral · Mohs 3.5-4colorless, white, pale yellow- No imageTsepinite-Cararemineral · Mohs 5yellow, brown, colorless
- No imageTsepinite-Kraremineral · Mohs 5yellow, brown, orange
Hunt the unusual
Open RockHoundR to find mapped spots and log finds wherever they show up.
