Table 2 Vicker’s Hardness (HV), as well as bulk (B) an shear (G) moduli of some hard and superhard materials.

From: Predicting stable crystalline compounds using chemical similarity

Formula

HV (GPa)

B (GPa)

G (GPa)

NiO4

28.7

60.9

35.7

AsB3O6

29.7

53.2

33.3

CuO4

31.7

65.4

25.0

CoO4

36.6

107.6

72.5

BeCrFe2

25.2

241.9

126.4

RuN2

30.2

163.8

93.3

IrN2

30.7

177.8

99.0

CoH

34.8

217.2

116.9

VRu2Sn

41.5

210.8

85.8

CrGeRu2

58.3

235.3

117.3

MnH2

64.4

133.6

49.6