Moonstone look-alikes
Adularia or Orthoclase (feldspar group)
Got a photo? Identify rocks instantly with the Rockby app
Open the appSeveral rocks and minerals can be confused with 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
Labradorite
Plagioclase Feldspar ((Ca,Na)(Al,Si)2Si2O8)
Also known as: Spectrolite (a high-quality variety)
Rainbow Moonstone
Plagioclase Feldspar (specifically a variety of Labradorite)
Also known as: White Labradorite
Opal
Hydrated Amorphous Silica (SiO2·nH2O)
Also known as: Precious Opal, Common Opal
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