Amethyst look-alikes
Quartz variety (SiO2)
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Open the appSeveral rocks and minerals can be confused with Amethyst. 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
Fluorite
CaF2
Also known as: Fluorspar
Iolite
(Mg,Fe)2Al4Si5O18
Also known as: Cordierite
Tanzanite
Ca2Al3(SiO4)3(OH)
Also known as: Blue Zoisite
Purple Sapphire
Al2O3
Also known as: Violet Corundum
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