Table of polycrystalline nanodiamond properties
 Structure Cubic (alpha = 0.3573 +/-  0.0005nm)
 Crystal lattice parameter 0.3562 +/- 0.0004nm
 Size of crystallites 5-10nm (Average 7nm)
 Size of smallest aggregates 30-50nm
 Density 2.7-3.1g/cm3
 Specific surface area 210-325m2/g
 Pore volume 0.3sm3/g
 Composition 90-99.998% C
 Incombustible impurities 0.2-1.4w% (typical; Fe, Si, Na, Ca, Mg and Mn) 
 Raman frequencies 1321-1322cm-1
 Initial air oxidation temperature +410oC
 Initial vacuum graphitisation ~1100oC
 Resistivity 7.5 x 109Ohms per meter
 Electrophoretic surface charge -78.00mV
 Refractive index -2.25
 Surface composition
(Varied) sp2/sp3 carbons, graphite, O-H,
CH2, C=O, C-O, ether and aromatic carbons