Unearth a magnificent treasure with our Ruby Red Astral Opal™ Tube Beads. These stunning lab-created opal beads feature a modern cylinder shape, perfect for luxurious linear designs. Each 4x8mm bead is made of genuine synthetic opal, featuring a rich red base that shines with a vibrant, deep red fire and a subtle hint of orange. This bold shape is a luxurious choice for beaded jewelry, including statement bar necklaces and elegant bracelets. Add these gem-like synthetic opal supplies to your collection of jewelry making supplies. Product Specifications Material Lab-Grown Astral Opal™ (80% Silica, 20% Polymer) Color Play Primary: Red | Fire: Dark Red & Orange Bead Size 4mm x 8mm (Diameter x Length) Drill Size 1.1mm Full (Center Drilled) Quantity Sold by the Individual Bead Hardness 4 on the Mohs scale Heat Resistance Up to 250°F / 120°C Why Choose Our Astral Opal™ Tube Beads? Gem-Like Fire & Color: Meticulously grown to display a beautiful, rich red base with a powerful, deep red and subtle orange fire. Modern Shape: The sleek tube shape is excellent for creating minimalist pendants, stacked bracelets, and sharp, linear earring designs. Unmatched Stability: Guaranteed not to crack, craze, or yellow over time, offering superior durability over natural opal. Consistent Quality: The year-long layering process ensures each bead has a unique yet consistently vibrant pattern of color. Creative Applications DIY Jewelry Projects: A luxurious jewelry component ideal for creating elegant chokers, bold stacked bracelets, birthstone-themed bar necklaces, and station necklaces. Coordinated Sets: The consistent size and shape make these perfect for creating coordinated high-end jewelry sets or sophisticated formal sets. Earring Components: Use them as powerful drops in long dangle earrings, hoop earring components, or as bold linear accents for your craft supplies. Beading Supplies: Excellent as high-end opal spacer beads or focal points for leather cord jewelry and macrame micro-jewelry. Please Note: Our lab-created opals can withstand heat up to approximately 250°F. For best results and to maintain the integrity of your beads, please avoid exposing them to high heat. Due to their unique composition, every bead is unique and color may vary.