Iris Quartz Terahertz Natural Power Rainbow April Birthstone [GOLD STONE] Bracelet, Accessory, Stone, Stone, Inclusion, Crystal,

Inner circumference approximately 17cm. Iris quartz: 10mm (±0.5mm), Terahertz: 6mm (±0.5mm) This beautiful bracelet combines mystical iris quartz, which shines with rainbow colors, with terahertz mineral. It will be delivered in its original case. It's perfect as a gift or present. Iridescent quartz refers to quartz that has cracks within it, and when these crack surfaces reflect light, they emit a rainbow-colored shimmer. You will receive an item equivalent to the one pictured. This beautiful bracelet combines mystical iris quartz, which shines with rainbow colors, with terahertz mineral. This terahertz piece uses sparkling star-cut beads. It will be delivered in an original case. Perfect as a gift or present. ◆Size Inner circumference: approximately 17cm Iris Quartz: 10mm (±0.5mm) Terahertz: 6mm (±0.5mm) ◆What is terahertz? Terahertz waves, which vibrate approximately one trillion times per second, have properties that are intermediate between radio waves and light. ◆About Rainbow Quartz Iridescent quartz refers to quartz that has cracks within it, and when these crack surfaces reflect light, they emit a rainbow-colored shimmer. Not all cracks in quartz emit light in rainbow colors; it is said that only cracks with complex light interference properties reflect light in a way that creates a shimmering, rainbow-like effect. When reflected by sunlight rather than artificial light, it shines with a more brilliant rainbow of colors.