Natural Rainbow Moonstone, Blue Topaz 925 Sterling Silver Necklace 18 Fire & Ice Jewelry & Treasures From Around The World, Since 1980 Rainbow Moonstone, Blue Topaz Gemstone Necklace Christmas Gift a540 eBay Rainbow Moonstone Blue Topaz Kyanite Jewelry Set Handmade 14K Rainbow Moonstone Blue Topaz Kyanite Jewelry Set Handmade 14K. This elegant pendant features a luminous natural moonstone framed in flowing 925 sterling silver, accented with three faceted blue topaz stones that add cool, ocean blue brilliance. The design showcases graceful, sculptural silver curves that create movement and balance, allowing each gemstone to stand out beautifully. Stone: Natural Moonstone, Blue TopazMetal: 925 Sterling SilverStyle: Sculptural, fluid designFeatures: Soft iridescence, faceted accents, unique handcrafted form