A beautiful Art Deco style necklace crafted from sterling silver and set with a faceted pear shaped blue topaz gemstone, offset with sparkling marcasite gemstones.blue topaz Information: Number of Stones: 1 Stone Shape: Pear Stone Size: 8mm x 6mm Carat Weight: 1.22ct Natural/Created: Natural blue topaz Country of Origin: Brazil marcasite Information: Number of Stones: 3 Stone Shape: Round Stone Size: 1 x 1.50mm | 2 x 1.40mm Carat Weight: 0.05ct Natural/Created: Natural marcasite Country of Origin: Austria