Sterling Silver Baltic Butterscotch Amber NecklaceMaterial: Genuine Sterling Silver (925 silver, 92. 5% silver content) Necklace Stone(s): Genuine Baltic butterscotch amber Necklace Length: 21 inches Deep: 1. 1 inches Weight: 23. 1 grams Clasp: Toggle Stamp Mark: 925 Serial Number: n20324 Amber, an organic gemstone, is the fossilized sap of prehistoric trees which grew up to 50 million years ago. The stone has been used for jewelry since the time of Christ. The world's finest amber comes from the