Properties of diamond

 

 

 

 

 

•                                 ·              HARDNESS
•                                 ·              RATE OF WEAR
•                                 ·              REFRACTIVE INDEX
•                                 ·              OTHER PROPERTIES

 

 

 

 

 

 

 

 

 

 

 

 KNOOP INDENTATION HARDNESS WITH MOHS' EQUAL

INTERVAL SCRATCH HARDNESS 

 

 

RATE OF WEAR OF DIAMOND AND SOME IMITATIONS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REFRACTIVE INDEX OF DIAMOND FOR DIFFERENT WAVELENGTHS OF LIGHT

 

PROPERTIES	VALUE
Density Mohs Scratch Hardness Knoop Scale Elastic Modulus Bulk Modulus Tense Strength Compress Strength	3.52g/cm3 10 57-104Gpa 10.76×102Gpa 5.42×102Gpa 1.3-2.5Gpa 8.68-16.53Gpa

 

 

PROPERTIES	VALUE
Thermal Expansion Coefficient Thermal Conductivity Resistivity Refraction Index	0.9×10-6 20W/(cm·K) 106W·cm 2.42

 

  *** Hardness in different lattice planes:  (100)<(110)<(111)