2.9" Octahedral Magnetite With Tetraferriphlogopite & Calcite - Russia

Octahedral Magnetite With Tetraferriphlogopite & Calcite - Russia #209436

This is a gorgeous, 2.9" wide cluster of octahedral magnetite crystals that was collected from the Kovdor Zheleznyi Mine (Iron Mine) in Russia. The magnetite formed in association with calcite and green tetraferriphlogopite. The magnetite crystals have magnetic properties.

Magnetite is an iron oxide mineral with the chemical formula Fe₃O₄. It is the most magnetic naturally-occurring mineral on Earth and is an important iron ore. It has an iron content of up to 72.4 percent, which explains why it is such a commonly mined iron ore. Magnetite can be found in igneous, metamorphic, and sedimentary rock.

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