Baublebar's Raw Geode Collar, $48, is simultaneously glamorous and bohemian with organic stones in a gold-tone setting. The Empire Edit blogger Christina Pellegrini wears hers to dress up a graphic tee.
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Touch of Druzy
Mary Seng of the Nashville style blog Happily Grey wears a druzy crystal Alchemy Ring from Sweet Suri Jewels.
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Artistic Expression
Solange Knowles' stacked agate necklace makes an architectural statement. Knowles wore this monochromatic look to the fall H&M studio show in Paris.
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On the Rocks
Fashion and beauty blogger Emily Loke chooses hematite to accessorize her all-black ensemble. Both bracelets are from jewelry designer Ade.G.
