Dainty Watermelon Tourmaline Necklace with an array of colors from rose petal pink to black. Tourmaline (along with Opal) is the birthstone for the month of October, and the gemstone gift for your 7th wedding anniversary. This Watermelon Tourmaline measures approximately 18 inches, including the clasp. Each tourmaline stone is roughly 6mm, though the hand-shaped gemstones have some variation. The lobster claw clasp is solid sterling silver, and the wrapped wire beading is sterling silver plated over brass. **Our fine jewelry is always boxed for shipping.** Please take your time with the photos and consider them part of the description. Let me know if you have any questions and feel free to check out the many treasures available in my shop!