Moonstone look-alikes
Adularia (Orthoclase variety) or Albite (Plagioclase Feldspar variety)
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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
(Ca,Na)(Al,Si)2Si2O8
Also known as: Spectrolite
Rainbow Moonstone
(Ca,Na)(Al,Si)2Si2O8
Also known as: White Labradorite
Opal
SiO2·nH2O
Also known as: Hydrated Amorphous Silica
Chalcedony
SiO2
Also known as: Cryptocrystalline Quartz
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