This enchanting necklace features a combination of quartz and 14kt yellow gold beads, handwoven onto a black cotton cord intertwined with shimmering gold cord. The quartz centerpiece is adjustable thanks to a slide mechanism, while a yellow gold and terahertz pendant adds an extra touch of elegance. Terahertz is a fascinating material, created from Silica found in sand and discovered by Japanese scientists. It is believed to have many physical and emotional healing properties, such as enhancing circulation and protecting against harmful electromagnetic radiation. This necklace is a perfect embodiment of beauty and power, and a meaningful addition to any collection.