Cristal de Roche" brass necklace adorned with Swarovski crystals. The hinged rigid structure fits the shape of the neck. The "Cristal de Roche" presents a distinctive design for the modern woman. Traditionally handcrafted piece made in France. Main material: 100% brass. Secondary material: 100% glass. Swarovski crystals. French artisan creation. 60% Brass, 30% Glass, 10% Pewter.