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 4801–4900 of 4900 rare entries (page 41 of 41).
Yttrocolumbite-(Y)raremineral · Mohs 5-5.5black, brownish black, yellowish brown- No imageYttrocrasite-(Y)raremineral · Mohs 5.5-6black, brownish black
Yttrotantalite-(Y)raremineral · Mohs 5-5.5black, brown, yellowish-brown
Yttrotungstite-(Ce)raremineral · Mohs 2-3yellow, yellow-brown, greenish-yellow- No imageYttrotungstite-(Y)raremineral · Mohs 2.5-3yellow, brownish-yellow, greenish-yellow
Yuanfuliiteraremineral · Mohs 3.5-4black, brownish-black- No imageYuanjiangiteraremineral · Mohs 3.5white, silver-white
Yukoniteraremineral · Mohs 2.5-3black, dark brown, yellowish-brown
Yuksporiteraremineral · Mohs 5pink, red, brown- No imageYurmariniteraremineral · Mohs 3.5yellow, brownish-yellow
- No imageYushkiniteraremineral · Mohs 1-2violet, black
Yusupoviteraremineral · Mohs 5-6yellow, brown, white
Yvoniteraremineral · Mohs 2red, reddish-orange- No imageŻabińskiiteraremineral · Mohs 6.5yellow, brown
Zabuyeliteraremineral · Mohs 2.5white, colorless- No imageZaccagnaiteraremineral · Mohs 2white, colorless, pale yellow
- No imageZaccariniiteraremineral · Mohs 3.5-4white, silver-white
- No imageZadoviteraremineral · Mohs 3.5colorless, pale yellow
Zaheriteraremineral · Mohs 2.5-3white, colorless, pale blue
Zaïriteraremineral · Mohs 4-5yellow, yellowish-green, brown
Zakharoviteraremineral · Mohs 2-3yellow, brown
Zálesíiteraremineral · Mohs 3-4green, pale green, white
Zanazziiteraremineral · Mohs 4-5green, yellow-green, olive-green- No imageZangboiteraremineral · Mohs 6steel-gray, iron-black
Zapataliteraremineral · Mohs 3bright blue, sky blue
Zaratiteraremineral · Mohs 3-3.25emerald-green- No imageZavalíaiteraremineral · Mohs 3yellow, yellow-brown
Zavaritskiteraremineral · Mohs 2-3yellow, white, gray
Zdenĕkiteraremineral · Mohs 2yellow, yellow-green
Zektzeriteraremineral · Mohs 6colorless, white, pink
Zelleriteraremineral · Mohs 2yellow, pale yellow
Zemanniteraremineral · Mohs 3yellow, brownish-yellow, golden-yellow- No imageZemkoriteraremineral · Mohs 3white, colorless
- No imageZenzéniteraremineral · Mohs 3-4yellowish-orange
Zeophylliteraremineral · Mohs 3-4colorless, white, yellow- No imageZeravshaniteraremineral · Mohs 5.5colorless, white, pale yellow
Zeuneriteraremineral · Mohs 2.5bright green, emerald green, yellowish green
Zhanghengiteraremineral · Mohs 4yellow, brass-yellow- No imageZhanghuifeniteraremineral · Mohs 4-4.5yellow, brownish-yellow
- No imageZhangpeishaniteraremineral · Mohs 2.5colorless, white
- No imageZharchikhiteraremineral · Mohs 3.5colorless, white
- No imageZhemchuzhnikoviteraremineral · Mohs 2dark blue, blue-green
Ziesiteraremineral · Mohs 3yellow, orange, red-orange
Zigrasiteraremineral · Mohs 3white, colorless
Zimbabweiteraremineral · Mohs 5yellow, brown, yellowish-brown- No imageZiminaiteraremineral · Mohs 4red, orange, yellow
Zincraremineral · Mohs 2.5silver-white, gray, blue-gray- No imageZincalstibiteraremineral · Mohs 2green, yellow-green
Zincaluminiteraremineral · Mohs 2white, colorless, pale blue
Zincgartrelliteraremineral · Mohs 4yellow, yellow-green, green
Zinciteraremineral · Mohs 4deep red, orange, yellow
Zinclipscombiteraremineral · Mohs 3.5-4dark green, black, brown- No imageZincmelanteriteraremineral · Mohs 2pale green, white, yellowish green
Zincoberauniteraremineral · Mohs 3.5-4yellow, brownish-yellow, reddish-brown
Zincobotryogenraremineral · Mohs 2-2.5orange, reddish-orange
Zincobriartiteraremineral · Mohs 4gray, pinkish-gray
Zincochromiteraremineral · Mohs 5.5-6.5black, brownish black
Zincocopiapiteraremineral · Mohs 2.5-3yellow, yellowish-orange- No imageZincohögbomite-2N2Sraremineral · Mohs 7-8dark brown, black, reddish brown
Zincohögbomite-2N6Sraremineral · Mohs 6-7dark brown, black
Zincolibetheniteraremineral · Mohs 4green, yellow-green
Zincoliveniteraremineral · Mohs 3.5-4green, yellow-green, olive-green- No imageZincomeniteraremineral · Mohs 2-3colorless, white, yellow
Zinconigerite-2N1Sraremineral · Mohs 8-9brown, reddish brown- No imageZinconigerite-6N6Sraremineral · Mohs 8-9brown, reddish-brown
Zincospiroffiteraremineral · Mohs 3.5-4white, colorless, pale yellow- No imageZincostauroliteraremineral · Mohs 7-7.5dark brown, reddish brown, yellowish brown
- No imageZincovelesite-6N6Sraremineral · Mohs 6black, dark brown
- No imageZincovoltaiteraremineral · Mohs 2.5-3black, dark green, brownish black
Zincowoodwarditeraremineral · Mohs 2blue, blue-green
Zincrosasiteraremineral · Mohs 4blue, greenish-blue, pale green- No imageZincroseliteraremineral · Mohs 3.5colorless, white, pale pink
Zincsiliteraremineral · Mohs 1-2pink, pale pink- No imageZinczippeiteraremineral · Mohs 2-3yellow, yellowish-orange
Zinkeniteraremineral · Mohs 3-3.5steel-gray, lead-gray, silver-white- No imageZinkositeraremineral · Mohs 3.5white, colorless, gray
Zirconoliteraremineral · Mohs 5.5black, brown, yellow- No imageZircophylliteraremineral · Mohs 3-4brown, golden-brown, reddish-brown
Zircosulfateraremineral · Mohs 2.5white, colorless
Zirkeliteraremineral · Mohs 5.5-6.5black, dark brown, reddish brown
Zirkleriteraremineral · Mohs 2white, colorless, yellowish
Zirsilite-(Ce)raremineral · Mohs 5-6yellow, brown
Zirsinaliteraremineral · Mohs 5yellow, brown, pink- No imageZlatogoriteraremineral · Mohs 3.5-4brass-yellow, pale gold
- No imageZnamenskyiteraremineral · Mohs 1.5-2yellow, brownish-yellow
Znucaliteraremineral · Mohs 2white, colorless, pale yellow
Zodaciteraremineral · Mohs 3-4yellow, brownish-yellow
Zohariteraremineral · Mohs 3-3.5black, dark gray- No imageZoltaiiteraremineral · Mohs 6-7yellow, brown
Zoriteraremineral · Mohs 3.5pink, red, white- No imageZoubekiteraremineral · Mohs 3-3.5lead-gray
- No imageZubkovaiteraremineral · Mohs 3.5yellow, brownish-yellow
Zugshunstite-(Ce)raremineral · Mohs 3.5yellow, yellow-orange, brown- No imageZuktamruriteraremineral · Mohs 3.5steel-gray, silver-white
Zunyiteraremineral · Mohs 7colorless, white, pale yellow- No imageZussmaniteraremineral · Mohs 3green, brown
- No imageZvyaginiteraremineral · Mohs 5yellow, brownish-yellow, pale yellow
Zvyagintseviteraremineral · Mohs 4.5-5white, silver-white, yellowish
Zwieseliteraremineral · Mohs 5brown, clove-brown, yellow-brown
Zýkaiteraremineral · Mohs 2.5green, yellow-green, brown
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