Tanzanite look-alikes
Blue Zoisite
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Open the appSeveral rocks and minerals can be confused with Tanzanite. 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
Al2O3
Also known as: Corundum (variety)
Iolite
(Mg,Fe)2Al4Si5O18
Also known as: Cordierite (variety)
Amethyst
SiO2
Also known as: Quartz (variety)
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