Iron Oxide Concretion look-alikes
Goethite/Limonite
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Open the appSeveral rocks and minerals can be confused with Iron Oxide Concretion. Below are documented look-alikes and the features that tell them apart. Never rely on a single feature. Always check multiple properties.
Similar rocks to compare
Hematite
Fe2O3
Also known as: Specularite, Kidney Ore
Magnetite
Fe3O4
Also known as: Lodestone
Siderite
FeCO3
Also known as: Iron Spar
Pyrite
FeS2
Also known as: Fool's Gold
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