Rainbow Moonstone look-alikes

Labradorite (variety of Feldspar)

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Several 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 or Albite (variety of Feldspar)

Also known as: Adularia

Labradorite

Labradorite (variety of Anorthite-rich Plagioclase Feldspar)

Also known as: Spectrolite (a specific variety)

Opal

Hydrated Amorphous Silica (SiO2·nH2O)

Also known as: Precious Opal, Common Opal

Explore Rainbow Moonstone

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Full guide to Rainbow Moonstone

Identification

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