Corundum look-alikes
Al₂O₃
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Open the appSeveral rocks and minerals can be confused with Corundum. 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
Spinel
MgAl₂O₄
Also known as: Magnesium Aluminum Oxide
Garnet
X₃Y₂(SiO₄)₃
Also known as: Various species (e.g., Almandine, Pyrope)
Topaz
Al₂SiO₄(F,OH)₂
Also known as: Aluminum Fluorine Silicate
Beryl
Be₃Al₂Si₆O₁₈
Also known as: Emerald, Aquamarine
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