Iolite look-alikes
Cordierite
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Open the appSeveral rocks and minerals can be confused with Iolite. 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
Sapphire
Corundum (Al2O3)
Also known as: Corundum
Tanzanite
Zoisite (Ca2Al3(SiO4)3(OH))
Also known as: Blue Zoisite
Kyanite
Kyanite (Al2SiO5)
Also known as: Disthene
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