Answer: NACRE

AnswerCrossword Clue
NACREPearly deposit
NACREDecorative inlay material
NACREShell material
nacremother-of-pearl
nacremother-of-pearl
NACREShiny button material
NACRELustrous shell compound
NACREInternal layer of a mollusk shell
NACREOyster part also called "mother-of-pearl"
NACREMollusk's secretion
NACREFancy button material
NACREPearly layer
NACREConch creation
NACRENautilus shell feature
NACREInlay option
NACREBrooch feature, maybe
NACREMosaic material
NACREIridescent material
NACREAbalone shell lining
NACREMollusk interior
NACREIridescent shell
NACREShellfish.
NACREShell substance.
NACREButton substance.
NACREAbalone lining.
NACREPearly substance.
NACREShell layer.
NACREPearl-shell substance.
NACREAbalone lining
NACREButton source
NACRENecklace decoration
NACREConchiolin
NACREButton base
NACREShellfish
NACREP. Bailey's mom?
NACREEssence d'orient
NACRESubstance for making beads
NACREAbalone production
NACRECertain shell liner
NACREInlay on some guitars