✔ UK Stocked – Can be Dispatched Next Business Day ✔ Free UK Delivery on orders over £17 – Royal Mail (typically 1–2 days) ✔ Orders under £17 – Royal Mail 2nd class (£1.55) ✔ No international waiting times or customs delays Galaxy Opal® Cabochon-White Opal With Red Fire (Two sizes available for now-Limited stock until next order) The fire of natural opal. The resilience of a lab. Galaxy Opal® is chemically identical to natural precious opal — composed of silica and water — delivering the same vivid play-of-colour and fire, with the extraordinary added benefit of heat resistance. Fireable in metal clay, kiln, torch, and compatible with borosilicate glass. Real opal. Unmined. Uncompromising. Lab-grown over approximately one year — chemically identical to natural opal Composed of silica and water — no resin No cracking, crazing or yellowing Crisp white with vivid red fire flash Heat resistant — compatible with borosilicate glass (33 COE) Suitable for glassblowing, lampworking, metal clay, kiln firing and torch firing Works well with jewellery plating Flat backed — ideal for bezel setting, wire wrapping, and resin work Technical details: Mohs hardness 5.5 · Specific gravity 1.90–2.20 · Heat resistant. Chemical resistance to Thinner, Methanol, Acetone (OTHER CHEMICALS CAN DAMAGE THE OPAL.) Firing test results: Tested successfully with Art Clay 950 Sterling Silver at 870°C for 1 hour · Tested successfully with Art Clay 999 Fine Silver at 800°C for 45 minutes. Select your preferred size from the dropdown. Perfect for pendants, rings, statement jewellery and metal clay, glass blowing, inlay in glass, glass fusing. Galaxy Opal® is a versatile and innovative material — results will vary depending on your technique, tools, and firing method. The information provided is intended as a guide only; careful preparation and testing are recommended when firing in metal clay, kilns, or with a torch. Most of all, enjoy the process of creating! Colour appearance may vary depending on lighting conditions and backing material. Images and videos are for illustrative purposes and the physical product may differ slightly. Free PDF guide with every purchase · Join GalaxyVIP — our exclusive community for tutorials and updates across the full Fire Fusion opal range as and when they are available.