Minerais

Gallite

CuGaS2

Flörkeite

(K3Ca2Na)[Al8Si8O32]·12H2O

Cuprite

Cu2O

Berthierine

(Fe2+,Fe3+,Al)3(Si,Al)2O5(OH)4

Coccinite

HgI2

Cuprostibite

Cu2(Sb,Tl)

Zuktamrurite

FeP2

Kaitianite

Ti3+2Ti4+O5

Lévyclaudite

Pb8Cu3Sn7(Bi,Sb)3S28

Xieite

FeCr2O4

Zemkorite

Na2Ca(CO3)2

Zinkenite

Pb9Sb22S42

Fengruiite

[Ag6Sb2S7][Ag9CuS2Te2]

Zubkovaite

Ca3Cu3(AsO4)4

Zugshunstite-(Ce)

CeAl(SO4)2(C2O4)·12H2O

Fluorannite

KFe2+3(Si3Al)O10F2

Zincobradaczekite

NaCuCuZn2(AsO4)3

Blixite

Pb8O5(OH)2Cl4

Geuerite

Ag2Tl4Pb4As22S40

Zussmanite

K(Fe,Mg,Mn)13(Si,Al)18O42(OH)14

Zvĕstovite-(Zn)

Ag6(Ag4Zn2)As4S13

Lenaite

AgFeS2

Keithconnite

Pd20Te7

Siidraite

Pb2Cu(OH)2I3

Yeite

TiSi

Paralaurionite

PbCl(OH)

Muthmannite

AuAgTe2

Amazonite

KAlSi3O8

Triclinic H: 6.0-6.5

Apatite

Ca5(PO4)3(F,Cl,OH)

Hexagonal H: 5.0

Aragonite

CaCO3

Orthorhombic H: 3.5-4.0

Azurite

Cu3(CO3)2(OH)2

Monoclinic H: 3.5-4.0

Barite

BaSO4

Orthorhombic H: 3.0-3.5

Beryl (Emerald)

Be3Al2(SiO3)6

Hexagonal H: 7.5-8.0

Biotite

K(Mg,Fe)3(AlSi3O10)(OH)2

Monoclinic H: 2.5-3.0

Calcite

CaCO3

Trigonal H: 3.0

Cassiterite

SnO2

Tetragonal H: 6.0-7.0

Celestine

SrSO4

Orthorhombic H: 3.0-3.5

Chalcopyrite

CuFeS2

Tetragonal H: 3.5-4.0

Chrysocolla

(Cu,Al)2H2Si2O5(OH)4 · nH2O

Orthorhombic H: 2.0-4.0

Cinnabar

HgS

Trigonal H: 2.0-2.5

Copper

Cu

Cubic (Isometric) H: 2.5-3.0

Corundum

Al2O3

Trigonal H: 9.0

Diamond

C

Cubic (Isometric) H: 10.0

Dolomite

CaMg(CO3)2

Trigonal H: 3.5-4.0

Feldspar (Orthoclase)

KAlSi3O8

Monoclinic H: 6.0-6.5

Galena

PbS

Cubic (Isometric) H: 2.5-2.8

Garnet (Almandine)

Fe3Al2(SiO4)3

Cubic (Isometric) H: 6.5-7.5

Gold

Au

Cubic (Isometric) H: 2.5-3.0