• Crystal:                        Fe3O4 natural source with defects
• Purity:                          >99.95%
• Size:                           10 mm x 10 mm x 0.5 mm
• Orientation:                  (111) 
• Polishing:                     single side polished
• Surface roughness(Ra): 4-5 Angstrom on 2 x 2 µm spot

Crystal growth method

Natural

Crystal orientation

(001) (100) (110) (111) others on request

Maximum size

up to 10 x 10 mm

Crystallographic properties

a = 8.40 A

Crystallographic structure

cubic

Twinning structure

natural defects

Colour

black

Density

5.20 g/cm³

Hardness

5.5