Magnetite crystals on massive Magnetite
Huanggang mine, Hexigten Banner, Ulanhad League, Inner Mongolia, China.
21 x 18 x 6 cm; 4 kilogram (~ 8.8 lbs), highly magnetic (Author: Louis Friend)
| Dimensiones: | 706 x 750 |
| Tamaño fichero: | 71.8 kbytes |
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