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Mohs 8
minerals
The reference mineral for 8 is topaz.
← All properties
36
minerals · Mohs 8 minerals
Variety
Aquamarine
Be₃Al₂Si₆O₁₈
Silicate
Hexagonal
Mohs 7.5–8
Beryl
Be₃Al₂Si₆O₁₈
Silicate
Hexagonal
Mohs 7.5–8
Variety
Emerald
Be₃Al₂Si₆O₁₈
Silicate
Hexagonal
Mohs 7.5–8
Topaz
Al₂SiO₄F₂
Silicate
Orthorhombic
Mohs 8
Armenite
BaCa₂(Al₆Si₉)O₃₀·2H₂O
Silicate
Orthorhombic
Mohs 7–8
C
Chukochenite
(Li₀.₅Al₀.₅)Al₂O₄
Oxides & Hydroxide
Orthorhombic
Mohs 8
Coesite
SiO₂
Silicate
Monoclinic
Mohs 7–8
Dumortierite
AlAl₆BSi₃O₁₈
Silicate
Orthorhombic
Mohs 7–8.4
Eskolaite
Cr₂O₃
Oxides & Hydroxide
Hexagonal
Mohs 8
Ferronigerite-2N1S
(Al,Fe,Zn)₂(Al,Sn)₆O₁₁(OH)
Oxides & Hydroxide
Hexagonal
Mohs 8–9
F
Ferrotaaffeite-6N'3S
BeFe²⁺₂Al₆O₁₂
Oxides & Hydroxide
Hexagonal
Mohs 8–8.5
Gahnite
ZnAl₂O₄
Oxides & Hydroxide
Cubic
Mohs 7.5–8
Variety
Goshenite
Be₃Al₂Si₆O₁₈
Silicate
Hexagonal
Mohs 7.5–8
Variety
Heliodor
Be₃Al₂Si₆O₁₈
Silicate
Hexagonal
Mohs 7.5–8
Hercynite
Fe²⁺Al₂O₄
Oxides & Hydroxide
Cubic
Mohs 7.5–8
Hibonite
CaAl₁₂O₁₉
Oxides & Hydroxide
Hexagonal
Mohs 7.5–8
Karelianite
V₂O₃
Vanadate
Hexagonal
Mohs 8–9
Lakargiite
CaZrO₃
Oxides & Hydroxide
Orthorhombic
Mohs 8–9
Londonite
CsBe₄Al₄(B₁₁Be)O₂₈
Oxides & Hydroxide
Cubic
Mohs 8
M
Magnesio-lucchesiite
CaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃O
Silicate
Hexagonal
Mohs 7–8
M
Magnesionigerite-2N1S
(Mg,Al,Zn)₂(Al,Sn)₆O₁₁(OH)
Oxides & Hydroxide
Hexagonal
Mohs 8
Magnesiotaaffeite-6N'3S
Mg₂BeAl₆O₁₂
Oxides & Hydroxide
Hexagonal
Mohs 8–8.5
M
Melliniite
(Ni,Fe)₄P
Native Element
Cubic
Mohs 8–8.5
M
Mengxianminite
Ca₂Sn₂Mg₃Al₈[(BO₃)(BeO₄)O₆]₂
Borate
Orthorhombic
Mohs 8
Variety
Morganite
Be₃Al₂Si₆O₁₈
Silicate
Hexagonal
Mohs 7.5–8
M
Mukhinite
Ca₂(Al₂V³⁺)[Si₂O₇][SiO₄]O(OH)
Silicate
Monoclinic
Mohs 8
Nsutite
Mn²⁺ₓMn⁴⁺₁₋ₓO₂₋₂ₓ(OH)₂ₓ
Oxides & Hydroxide
Mohs 6.5–8.5
Painite
CaZrAl₉O₁₅(BO₃)
Borate
Hexagonal
Mohs 8
Pezzottaite
CsLiBe₂Al₂Si₆O₁₈
Silicate
Hexagonal
Mohs 8
Phenakite
Be₂(SiO₄)
Silicate
Hexagonal
Mohs 7.5–8
Variety
Red Beryl
Be₃Al₂Si₆O₁₈
Silicate
Hexagonal
Mohs 7.5–8
Rhodizite
KBe₄Al₄(B₁₁Be)O₂₈
Oxides & Hydroxide
Cubic
Mohs 8
Schiavinatoite
Nb(BO₄)
Borate
Tetragonal
Mohs 8
Spinel
MgAl₂O₄
Oxides & Hydroxide
Cubic
Mohs 7.5–8
Swedenborgite
NaBe₄Sb⁵⁺O₇
Oxides & Hydroxide
Hexagonal
Mohs 8
T
Trembathite
Mg₃B₇O₁₃Cl
Halide
Hexagonal
Mohs 6–8