These are handmade Resin oxidized silver or silver-toned hexagon drop earrings featuring a resin center filled with white glitter and small hanging metal bells, often referred to as 'jhumkas' or 'ghungroo' style earrings. 
Earring Details
Style: The earrings combine traditional Indian 'jhumka' elements, such as the hanging bells (ghungroo), with a modern, geometric hexagonal drop design.
Material: The metal frame appears to be an oxidized silver alloy, providing an antique or bohemian finish. The purple part is a resin inlay, often handcrafted, with fine glitter or confetti suspended within it.
Occasion: This versatile style is suitable for both casual wear and festive occasions, complementing ethnic or Indo-western outfits.