My
periodic table poster
is now available!
Magnetite.
Description from the source:
Magnetite (Fe+2 Fe+32 O4 cub.), Potosi, Bolivia. Perfect crystals on matrix. 6x5x2,5 cm; 65 g.
Source:
Simone Citon
Contributor:
John Gray
Acquired:
27 December, 2008
Text Updated:
28 December, 2008
Price:
Trade
Size:
2.4"
Composition:
Fe
2
O
4