MATUBO GEMDUO N. 228 - Backlit Uranium

Backlit Uranium 30060/29801 features a sophisticated interplay between a rich sapphire blue transparent base and a reflective silver coating on the flat reverse side. These 8x5 mm diamond-shaped components are engineered by Matubo with a distinct "gem" cut on the top surface, ensuring high light refraction that mimics precious stones. Professional designers value the 2-hole configuration for its geometric precision, allowing for seamless alignment in complex circular or dimensional structures.

Technical consistency is a hallmark of Matubo beads, where each piece maintains a strict 0.8 mm hole diameter to accommodate multiple thread passes through the bead without risk of fracturing the glass wall. When constructing intricate floral or star motifs, these units nestle perfectly with Matubo SuperDuo beads, as the angled facets of the GemDuo provide a raised focal point against the lower profile of the SuperDuo. Using a beading needle size 10 or 12 ensures smooth passage when layering rows in structural beadwork.

Premium Czech glass from the Jablonec region serves as the foundation for these components, chosen for its durability and chemical stability. The backlit finish provides a unique depth, where the silver backing acts as a mirror, pushing light back through the blue glass for a glowing effect. This finish is particularly effective when used alongside Preciosa seed beads in size 11/0, which can be utilized to bezel the edges or create delicate bridges between the diamond points.

Advanced bead weaving techniques such as the Cubic Right Angle Weave (CRAW) or tailored honeycomb patterns benefit from the flat back of these beads, which allows them to sit flush against the skin or a backing material. For maximum durability in heavy-duty bracelets or necklaces, we recommend using S-lon FIRE thread, as its high tensile strength handles the pressure of the dual holes better than standard nylon. The geometric footprint of the GemDuo allows for the creation of rigid, architectural jewelry pieces that maintain their shape over time.