Standard-products:
Orientation:   (0001)(1-102)
               (11-20)(10-10)

new!           (0001)
               0,25°off

Diameter:      2" - 4"
Surface:       one/bothside
               polished

also as epiready substrates, 
e.g. 10 x 10 mm²

other sizes and spezifica-
tions also possible

Properties:
Structure:     hexagonal

Lattice con.:  a: 0.476 nm
               c: 1.300 nm

Density:       3.97 g/cm³

Melting point: 2053°C

Hardness:      9 (Mohs)

Growth:        EFG-method