• Crystal:                    Alpha-Fe2O3 natural source with defects
• Size:                        5 mm x 5 mm x 0.5 mm
• Orientation:              (0001) < 0.4 degree
  
• Edge:                      (11-20) 
  
• Polishing:                single  side polished
• Surface roughness:  Ra <10 nm

Crystal growth method

Natural

Crystal orientation

(0001) (1010) (1120) others on request

Maximum size

up to 20 x 20 mm

Crystallographic properties

a = 5.04 A, c = 13.77 A

Crystallographic structure

hexagonal

Twinning structure

natural defects

Colour

black

Density

5.20 g/cm³

Hardness

6.5