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Rare & Remarkable

Meteorite minerals and species known from a single place on Earth.

← All collections
126 minerals · Unusual & Exotic · sorted with popular first
Cinnabar specimen
Cinnabar HgS
SulfideHexagonalMohs 2–2.5
Diamond specimen
Diamond C
Native ElementCubicMohs 10
VarietyEmerald specimen
Emerald Be₃Al₂Si₆O₁₈
SilicateHexagonalMohs 7.5–8
Gold specimen
Gold Au
Native ElementCubicMohs 2.5–3
VarietyRuby specimen
Ruby Al₂O₃
Oxides & HydroxideTrigonalMohs 9
VarietyTanzanite specimen
Tanzanite Ca₂Al₃(SiO₄)₃(OH)
SilicateOrthorhombicMohs 6–7
VarietyAlexandrite specimen
Alexandrite BeAl₂O₄
Oxides & HydroxideOrthorhombicMohs 8.5
VarietyAmetrine specimen
Ametrine SiO₂
SilicateTrigonalMohs 7
Annabergite specimen
Annabergite Ni₃(AsO₄)₂·8H₂O
ArsenateMonoclinicMohs 1.5–2.5
Antimony specimen
Antimony Sb
Native ElementTrigonalMohs 3–3.5
Arsenic specimen
Arsenic As
Native ElementTrigonalMohs 3.5
Autunite specimen
Autunite Ca(UO₂)₂(PO₄)₂·10-12H₂O
PhosphateOrthorhombicMohs 2–2.5
Bavenite specimen
Bavenite Ca₄Be₂₊ₓAl₂₋ₓSi₉O₂₆₋ₓ(OH)₂₊ₓ (x = 0 to 1)
SilicateOrthorhombicMohs 5.5
Bazzite specimen
Bazzite Be₃(Sc,Fe³⁺,Mg)₂Si₆O₁₈·Na₀.₃₂·nH₂O
SilicateHexagonalMohs 6.5–7
Benitoite specimen
Benitoite BaTiSi₃O₉
SilicateHexagonalMohs 6–6.5
Bertrandite specimen
Bertrandite Be₄Si₂O₇(OH)₂
SilicateOrthorhombicMohs 6–7
Bismoclite specimen
Bismoclite BiOCl
HalideTetragonalMohs 2.5–3
Bixbyite-(Fe) specimen
Bixbyite-(Fe) Fe³⁺₂O₃
Oxides & HydroxideCubicMohs 6–6.5
Boleite specimen
Boleite KAg₉Pb₂₆Cu₂₄Cl₆₂(OH)₄₈
HalideCubicMohs 3–3.5
Brazilianite specimen
Brazilianite NaAl₃(PO₄)₂(OH)₄
PhosphateMonoclinicMohs 5.5
Brewsterite-Sr specimen
Brewsterite-Sr Sr(Al₂Si₆)O₁₆·5H₂O
SilicateMonoclinicMohs 4.5
Bromargyrite specimen
Bromargyrite AgBr
HalideCubicMohs 2.5
Carminite specimen
Carminite PbFe³⁺₂(AsO₄)₂(OH)₂
ArsenateOrthorhombicMohs 3.5
Carnotite specimen
Carnotite K₂(UO₂)₂(VO₄)₂·3H₂O
VanadateMonoclinicMohs 2
Catapleiite specimen
Catapleiite Na₂Zr(Si₃O₉)·2H₂O
SilicateMonoclinicMohs 6
Cavansite specimen
Cavansite Ca(V⁴⁺O)(Si₄O₁₀)·4H₂O
SilicateOrthorhombicMohs 3.5–4
Celsian specimen
Celsian Ba(Al₂Si₂O₈)
SilicateMonoclinicMohs 6–6.5
Chalcanthite specimen
Chalcanthite Cu(SO₄)·5H₂O
SulfateTriclinicMohs 2.5
Charoite specimen
Charoite (K,Sr,Ba,Mn)₁₅₋₁₆(Ca,Na)₃₂[Si₇₀(O,OH)₁₈₀](OH,F)₄·nH₂O
SilicateMonoclinicMohs 5–6
Clinoclase specimen
Clinoclase Cu₃(AsO₄)(OH)₃
ArsenateMonoclinicMohs 2.5–3
Coesite specimen
Coesite SiO₂
SilicateMonoclinicMohs 7–8
Coffinite specimen
Coffinite U(SiO₄)·nH₂O
SilicateTetragonalMohs 5–6
Cotunnite specimen
Cotunnite PbCl₂
HalideOrthorhombicMohs 2.5
Crocoite specimen
Crocoite Pb(CrO₄)
ChromateMonoclinicMohs 2.5–3
Cryolite specimen
Cryolite Na₂NaAlF₆
HalideMonoclinicMohs 2.5–3
VarietyDemantoid specimen
Demantoid Ca₃Fe₂(SiO₄)₃
SilicateCubicMohs 6.5–7
Esperite specimen
Esperite PbCa₂(ZnSiO₄)₃
SilicateMonoclinicMohs 4.5
Euchroite specimen
Euchroite Cu₂(AsO₄)(OH)·3H₂O
ArsenateOrthorhombicMohs 3.5–4
Eucryptite specimen
Eucryptite LiAlSiO₄
SilicateHexagonalMohs 6.5
Eudialyte specimen
Eudialyte Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂
SilicateHexagonalMohs 5–6
Fluor-buergerite specimen
Fluor-buergerite NaFe³⁺₃Al₆(Si₆O₁₈)(BO₃)₃O₃F
SilicateHexagonalMohs 7
Fornacite specimen
Fornacite CuPb₂(CrO₄)(AsO₄)(OH)
ArsenateMonoclinicMohs 2.5
Franklinite specimen
Franklinite ZnFe³⁺₂O₄
Oxides & HydroxideCubicMohs 5.5–6.5
Friedelite specimen
Friedelite Mn²⁺₈Si₆O₁₅(OH)₁₀
SilicateMonoclinicMohs 4–5
GroupGadolinite specimen
Gadolinite (Y,Ce)₂FeBe₂Si₂O₁₀
SilicateMonoclinicMohs 6.5–7
Gadolinite-(Y) specimen
Gadolinite-(Y) Y₂Fe²⁺Be₂O₂(SiO₄)₂
SilicateMonoclinicMohs 6.5–7
Gahnite specimen
Gahnite ZnAl₂O₄
Oxides & HydroxideCubicMohs 7.5–8
Grandidierite specimen
Grandidierite MgAl₃O₂(BO₃)(SiO₄)
SilicateOrthorhombicMohs 7.5
Greenockite specimen
Greenockite CdS
SulfideHexagonalMohs 3–3.5
Hambergite specimen
Hambergite Be₂(BO₃)(OH)
BorateOrthorhombicMohs 7.5
Hardystonite specimen
Hardystonite Ca₂ZnSi₂O₇
SilicateTetragonalMohs 4
Haüyne specimen
Haüyne Na₃Ca(Si₃Al₃)O₁₂(SO₄)
SilicateCubicMohs 5.5–6
Herderite specimen
Herderite CaBe(PO₄)F
PhosphateMonoclinicMohs 5–5.5
VarietyHiddenite specimen
Hiddenite LiAlSi₂O₆
SilicateMonoclinicMohs 6.5–7
Holdenite specimen
Holdenite Mn²⁺₆Zn₃(AsO₄)₂(SiO₄)(OH)₈
SilicateOrthorhombicMohs 4.5
Inderite specimen
Inderite MgB₃O₃(OH)₅·5H₂O
Oxides & HydroxideMonoclinicMohs 2.5
Inyoite specimen
Inyoite CaB₃O₃(OH)₅·4H₂O
Oxides & HydroxideMonoclinicMohs 2
Iodargyrite specimen
Iodargyrite AgI
HalideHexagonalMohs 1.5–2
Iron specimen
Iron Fe
Native ElementCubicMohs 4
Kentrolite specimen
Kentrolite Pb₂Mn³⁺₂O₂(Si₂O₇)
SilicateOrthorhombicMohs 6
Kornerupine specimen
Kornerupine (Mg,Fe²⁺,Al,   )₁₀(Si,Al,B)₅O₂₁(OH,F)₂
SilicateOrthorhombicMohs 6.5–7
Kurnakovite specimen
Kurnakovite MgB₃O₃(OH)₅·5H₂O
Oxides & HydroxideTriclinicMohs 2.5–3
L
Lautarite Ca(IO₃)₂
IodateMonoclinicMohs 3.5–4
Lead specimen
Lead Pb
Native ElementCubicMohs 1.5
Legrandite specimen
Legrandite Zn₂(AsO₄)(OH)·H₂O
ArsenateMonoclinicMohs 4.5
Linarite specimen
Linarite CuPb(SO₄)(OH)₂
SulfateMonoclinicMohs 2.5
Liroconite specimen
Liroconite Cu₂Al(AsO₄)(OH)₄·4H₂O
ArsenateMonoclinicMohs 2–2.5
Malayaite specimen
Malayaite CaSnO(SiO₄)
SilicateMonoclinicMohs 6–7
Matlockite specimen
Matlockite PbClF
HalideTetragonalMohs 2.5–3
Melanotekite specimen
Melanotekite Pb₂Fe³⁺₂O₂(Si₂O₇)
SilicateOrthorhombicMohs 6.5
Milarite specimen
Milarite KCa₂(Be₂AlSi₁₂)O₃₀·H₂O
SilicateHexagonalMohs 5.5–6
GroupMonazite specimen
Monazite (Ce,La,Nd,Th)PO₄
PhosphateMonoclinicMohs 5–5.5
Monazite-(Ce) specimen
Monazite-(Ce) Ce(PO₄)
PhosphateMonoclinicMohs 5–5.5
Monticellite specimen
Monticellite CaMg(SiO₄)
SilicateOrthorhombicMohs 5.5
Mullite specimen
Mullite Al₄₊₂ₓSi₂₋₂ₓO₁₀₋ₓ (x ≈ 0.4)
SilicateOrthorhombicMohs 6–7
Nasonite specimen
Nasonite Ca₄Pb₆(Si₂O₇)₃Cl₂
SilicateHexagonalMohs 4
Olenite specimen
Olenite NaAl₃Al₆(Si₆O₁₈)(BO₃)₃O₃(OH)
SilicateHexagonalMohs 7.5
Orpiment specimen
Orpiment As₂S₃
SulfideMonoclinicMohs 1.5–2
Osumilite specimen
Osumilite KFe₂(Al₅Si₁₀)O₃₀
SilicateHexagonalMohs 5.5–6
Painite specimen
Painite CaZrAl₉O₁₅(BO₃)
BorateHexagonalMohs 8
Periclase specimen
Periclase MgO
Oxides & HydroxideCubicMohs 5.5
Perovskite specimen
Perovskite CaTiO₃
Oxides & HydroxideOrthorhombicMohs 5.5
Pezzottaite specimen
Pezzottaite CsLiBe₂Al₂Si₆O₁₈
SilicateHexagonalMohs 8
Phenakite specimen
Phenakite Be₂(SiO₄)
SilicateHexagonalMohs 7.5–8
Phoenicochroite specimen
Phoenicochroite Pb₂O(CrO₄)
ChromateMonoclinicMohs 2.5
Phosphophyllite specimen
Phosphophyllite Zn₂Fe²⁺(PO₄)₂·4H₂O
PhosphateMonoclinicMohs 3–3.5
Platinum specimen
Platinum Pt
Native ElementCubicMohs 4–4.5
VarietyPrasiolite specimen
Prasiolite SiO₂
SilicateTrigonalMohs 7
Probertite specimen
Probertite NaCaB₅O₇(OH)₄·3H₂O
BorateMonoclinicMohs 3
Proustite specimen
Proustite Ag₃AsS₃
SulfosaltHexagonalMohs 2–2.5
Pyrargyrite specimen
Pyrargyrite Ag₃SbS₃
SulfosaltHexagonalMohs 2.5
GroupPyrochlore Supergroup specimen
Pyrochlore Supergroup (Na,Ca)₂Nb₂O₆(OH,F)
Oxides & HydroxideCubicMohs 5–5.5
Pyroxmangite specimen
Pyroxmangite Mn²⁺SiO₃
SilicateTriclinicMohs 5.5–6
Realgar specimen
Realgar AsS
SulfideMonoclinicMohs 1.5–2
VarietyRed Beryl specimen
Red Beryl Be₃Al₂Si₆O₁₈
SilicateHexagonalMohs 7.5–8
Rhodizite specimen
Rhodizite KBe₄Al₄(B₁₁Be)O₂₈
Oxides & HydroxideCubicMohs 8
Rossmanite specimen
Rossmanite (Al₂Li)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
SilicateHexagonalMohs 7.5
Sapphirine specimen
Sapphirine Mg₄(Mg₃Al₉)O₄[Si₃Al₉O₃₆]
SilicateMonoclinicMohs 7.5
Schorlomite specimen
Schorlomite Ca₃Ti₂(SiFe³⁺₂)O₁₂
SilicateCubicMohs 7–7.5
Selenium specimen
Selenium Se
Native ElementHexagonalMohs 2
Sellaite specimen
Sellaite MgF₂
HalideTetragonalMohs 5
Serendibite specimen
Serendibite Ca₄[Mg₆Al₆]O₄[Si₆B₃Al₃O₃₆]
SilicateTriclinicMohs 6.5–7
Sinhalite specimen
Sinhalite MgAl(BO₄)
BorateOrthorhombicMohs 6.5–7
Stishovite specimen
Stishovite SiO₂
SilicateTetragonalMohs 9–10
Stolzite specimen
Stolzite Pb(WO₄)
TungstateTetragonalMohs 2.5–3
Strengite specimen
Strengite Fe³⁺(PO₄)·2H₂O
PhosphateOrthorhombicMohs 3.5–4.5
Szaibélyite specimen
Szaibélyite MgBO₂(OH)
BorateMonoclinicMohs 3.5–4
Tellurium specimen
Tellurium Te
Native ElementHexagonalMohs 2–2.5
Thorite specimen
Thorite Th(SiO₄)
SilicateTetragonalMohs 4.5–5
Thortveitite specimen
Thortveitite Sc₂Si₂O₇
SilicateMonoclinicMohs 6–7
Tin specimen
Tin Sn
Native ElementTetragonalMohs 1.5–1.8
Torbernite specimen
Torbernite Cu(UO₂)₂(PO₄)₂·12H₂O
PhosphateTetragonalMohs 2–2.5
VarietyTsavorite specimen
Tsavorite Ca₃Al₂(SiO₄)₃
SilicateCubicMohs 7–7.5
Tyuyamunite specimen
Tyuyamunite Ca(UO₂)₂(VO₄)₂·5-8H₂O
VanadateTetragonalMohs 2
Uraninite specimen
Uraninite UO₂
Oxides & HydroxideCubicMohs 5–6
Uvarovite specimen
Uvarovite Ca₃Cr₂(SiO₄)₃
SilicateCubicMohs 6.5–7.5
Vauquelinite specimen
Vauquelinite CuPb₂(CrO₄)(PO₄)(OH)
PhosphateMonoclinicMohs 2.5–3
Villiaumite specimen
Villiaumite NaF
HalideCubicMohs 2–2.5
Volborthite specimen
Volborthite Cu₃V₂O₇(OH)₂·2H₂O
VanadateMonoclinicMohs 3.5
Wairakite specimen
Wairakite Ca(Si₄Al₂)O₁₂·2H₂O
SilicateMonoclinicMohs 4.5–5
GroupXenotime specimen
Xenotime YPO₄
PhosphateTetragonalMohs 4–5
Xenotime-(Y) specimen
Xenotime-(Y) Y(PO₄)
PhosphateTetragonalMohs 4–5
Yugawaralite specimen
Yugawaralite Ca(Si₆Al₂)O₁₆·4H₂O
SilicateMonoclinicMohs 4.5–5
Zinc specimen
Zinc Zn
Native ElementHexagonalMohs 2.5
Zincite specimen
Zincite ZnO
Oxides & HydroxideHexagonalMohs 4–4.5
Zunyite specimen
Zunyite Al₁₃Si₅O₂₀(OH,F)₁₈Cl
SilicateCubicMohs 7