Necklace and pendant with extraordinary rock crystal, approx. 67.6 x 11.5 mm, natural inclusions with pyrite, orange coloring due to iron, 18K yellow gold, 25.4 g, necklace: 18K yellow gold, 10.9 g, L: approx. 42 cm, W: approx. 1.7 mm, with hallmark 'SSS', pendant: 18K yellow gold, 14.5 g, L: approx. 70.6 mm, W: approx. 11.5 mm, eyelet D: approx. 5.3 mm, handcrafted work, 20th/21st century, minimal signs of wear.