★ Shipped via standard mail, no compensation. If you are concerned about standard mail, you can change to insured shipping. ★ With insurance and tracking number ★ Mercari Post Mini, plus 100 yen. ★ Terahertz ore necklace, 6mm beads, 50cm in length. Unisex. Magnetic clasp. ■ Product Name: Terahertz ore necklace. ■ Product Size: Inner circumference approx: 50cm (±5mm) Bead diameter approx: 6mm (±0.5mm) This is an artificial ore that emits terahertz waves. Si (silicon) ・ Terahertz ・ High purity (99% or more) Terahertz ore is an artificial ore containing silicon, titanium, hematite, alumina, etc. Terahertz waves, which vibrate approximately 1 trillion times per second, have intermediate characteristics between radio waves and light. It is a wavelength that easily affects the movement of terahertz wave molecules, and will allow you to experience strange experiences and amazing effects on the human body, plants, and even materials. Various organisms regain their vitality by being exposed to terahertz waves. In other words, it is said that plants become less likely to rot and organisms regain their youthfulness. Recent research has proven the effects of terahertz. Terahertz waves can penetrate various materials such as paper, wood, and plastic, and are expected to be applied in the medical field. In addition, terahertz waves overlap with far infrared rays and are said to have a self-heating effect. ※ Due to the nature of the product, the raw stone may contain markings such as numbers.