Capture the enchanting magic of the northern lights with our Aurora Astral Opal™ Cabochons. These stunning lab-created Astral Opal™ cabochons feature a vibrant, hot pink base that dances with a shimmering rainbow fire. Their perfectly calibrated round shape and flat back make them incredibly versatile for setting and inlay. An absolutely magical choice for your collection of jewelry making supplies, these synthetic Astral Opal™ cabochons bring a brilliant, otherworldly beauty to any design, from delicate stud earrings to statement ring settings. Product Specifications Material Lab-Grown Astral Opal™ (80% Silica, 20% Polymer) Color Play Primary: Vibrant Pink | Fire: Rainbow Shape Round Cabochon Back Flat Back Sizes 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm Quantity Sold by the Individual Cabochon Hardness 4 on the Mohs scale Heat Resistance Up to 250°F / 120°C Sizing & Thickness 2mm Cabochon: 1.0mm Thick 3mm Cabochon: 1.5mm Thick 4mm Cabochon: 1.8mm Thick 5mm Cabochon: 2.0mm Thick 6mm Cabochon: 2.2mm Thick 7mm Cabochon: 2.4mm Thick 8mm Cabochon: 2.6mm Thick Why Choose Our Astral Opal™ Cabochons? Enchanting Fire & Color: Meticulously grown to display a brilliant and magical range of color flashes. Perfectly Calibrated: Each cabochon is cut to precise millimeter dimensions with a flat back, ensuring a perfect fit for bezels, settings, and inlay channels. Unmatched Stability: Guaranteed not to crack, craze, or yellow over time, offering superior durability over natural Astral Opal™. Easy to Set & Polish: The smooth, domed top polishes to a high shine, and the flat back provides maximum surface area for adhesives, making them ideal for jewelry of all kinds. Creative Applications Jewelry Setting: The perfect choice for setting in bezels to create magical stud earrings, rings, and pendants. Nail Art & Adornment: Add a dazzling, gem-like accent to high-end nail art or use for tooth gems and body art. Surface Inlay: Ideal for inlaying into woodworking projects, musical instruments, and other custom crafts to add a pop of vibrant color. Wire Wrapping: Use as the centerpiece for intricate wire-wrapped designs that capture and showcase the brilliant fire. Please Note: Our lab-created Astral Opal™s can withstand heat up to approximately 250°F. For best results and to maintain the integrity of your cabochons, please avoid exposing them to high heat. Due to their unique composition, every cabochon is unique and color may vary.