Hematite single crystal (Natural) ( Fe2O3 )
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Crystal properties | ||
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 |