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Mohs 9 minerals

The reference mineral for 9 is corundum.

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10 minerals · Mohs 9 minerals
VarietyRuby specimen
Ruby Al₂O₃
Oxides & HydroxideTrigonalMohs 9
VarietySapphire specimen
Sapphire Al₂O₃
Oxides & HydroxideTrigonalMohs 9
Bahianite specimen
Bahianite Al₅Sb⁵⁺₃O₁₄(OH)₂
Oxides & HydroxideMonoclinicMohs 9
Bromellite specimen
Bromellite BeO
Oxides & HydroxideHexagonalMohs 9
Corundum specimen
Corundum Al₂O₃
Oxides & HydroxideHexagonalMohs 9
Ferronigerite-2N1S specimen
Ferronigerite-2N1S (Al,Fe,Zn)₂(Al,Sn)₆O₁₁(OH)
Oxides & HydroxideHexagonalMohs 8–9
Karelianite specimen
Karelianite V₂O₃
VanadateHexagonalMohs 8–9
Lakargiite specimen
Lakargiite CaZrO₃
Oxides & HydroxideOrthorhombicMohs 8–9
Stishovite specimen
Stishovite SiO₂
SilicateTetragonalMohs 9–10
Uakitite specimen
Uakitite VN
Native ElementCubicMohs 9–10