Turquoise look-alikes
Turquoise (hydrated copper aluminum phosphate)
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Open the appSeveral rocks and minerals can be confused with Turquoise. 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
Chrysocolla
CuSiO3·nH2O (hydrated copper silicate)
Also known as: Gem Silica (when pure blue)
Variscite
AlPO4·2H2O (hydrated aluminum phosphate)
Also known as: Utahlite
Howlite
Ca2B5SiO9(OH)5 (calcium borosilicate hydroxide)
Also known as: White Turquoise (when dyed)
Magnesite
MgCO3 (magnesium carbonate)
Also known as: White Turquoise (when dyed)
Odontolite
Fossilized bone or ivory colored by vivianite or other phosphate minerals
Also known as: Bone Turquoise
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