These 4mm heat-treated kyanite cubes bring a genuine gemstone option to your beadwork — crisp geometry in a semi-precious stone known for its cool blue tones.

Specifications

• Size: 4 mm
• Color: Kyanite FC Cube
• Material: Heat Treated Kyanite

What to make with them

The 4mm cube shape works beautifully in structured bead-weaving patterns like right-angle weave or brick stitch, and the uniform geometry makes them reliable spacers in strung bracelets or necklaces where you want clean, architectural lines.