Rainbow Moonstone look-alikes
Moonstone (variety of Labradorite, a plagioclase feldspar)
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Open the appSeveral rocks and minerals can be confused with Rainbow Moonstone. 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
Moonstone (Orthoclase)
Moonstone (variety of Orthoclase, a potassium feldspar)
Also known as: Adularia
Labradorite
Labradorite (a plagioclase feldspar)
Also known as: Spectrolite (a high-quality variety)
Opal
Hydrated amorphous silica (SiO2·nH2O)
Also known as: Precious Opal
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