There are two kinds of finished pearls sold in the market: one is pearls made into strings; One kind is pearls used for pendants, earrings and rings, which are called necklace beads and particle beads respectively.

Let's talk about the difference between the two: the difference between the two is determined by the use. The necklace is made of a string of pearls, which could have been flawed, but strung together can cover each other; Particle beads are used to make pendants and other jewelry, and nothing will block each other, so it requires higher quality and higher price. .

As early as the Empress Dowager Cixi, tourmaline received unprecedented attention in China. Empress Dowager Cixi, who monopolized the state affairs, not only had a soft spot for jadeite, but also for colorful tourmaline. She is a complete tourmaline fan. In the funeral of Empress Dowager Cixi in the Qing Dynasty, there was a lotus carved from tourmaline, weighing 3,628 yuan, and a pillow made of tourmaline was worth 752,000 silver at that time.

The weight of the collection is 19.786g, and it has been identified as crystalline tourmaline by Lanzhou Mineral Resources Supervision and Inspection Center of Gansu Central Laboratory and Gansu Gold, Silver, Precious Metals, Jewelry and Jade Ornaments Quality Supervision and Inspection Station, with refractive index of 1.63 (spot measurement).