Telluric iron
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Telluric iron, also called native iron, is iron that originated on Earth, and is found in a metallic form rather than as an ore. Telluric iron is extremely rare, with only one known major deposit in t
Sawed slab of basalt with bright, metallic native-iron inclusions from Uivfaq, Disko Island (specimen size: 7.8 cm × 3.5 cm × 0.6 cm (3.07 in × 1.38 in × 0.24 in))
Hand-sized sample of native iron from Disko Island, Greenland
Native iron from basalt quarry at Bühl, Weimar, district of Kassel, Germany (size: 6.6 × 5.9 × 1.8 cm)
Magnetite
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Magnetite is a mineral and one of the main iron ores, with the chemical formula Fe2+Fe3+2O4. It is one of the oxides of iron, and is ferrimagnetic; it is attracted to a magnet and can be magnetized to
Telluric iron
…from Fortune Bay, Mellemfjord, Asuk, and other locations along Greenland's west coast. Other locations include: Ben Breck, Scotland in granite with magnetite in County Antrim, Northern Ireland…
Magnetite from Bolivia
Magnetite is one of the very few minerals that is ferrimagnetic; it is attracted by a magnet as shown here
Magnetite and other heavy minerals (dark) in quartz beach sand (Chennai, India)
Octahedral crystals of magnetite up to 1.8 cm across, on cream colored feldspar crystals, locality: Cerro Huañaquino, Potosí Department, Bolivia