1. Radioactivity: Radioactive elements in chalcedony may cause harm to human health. These elements include uranium and thorium, and their radiation may increase the risk of cancer. Therefore, long-term exposure to chalcedony may have a negative impact on human health.
2. Chemical composition: Dyed chalcedony may contain some chemicals, such as harmful heavy metals or other toxic substances. Exposure to these chemicals may have adverse effects on the human body, including allergic reactions, skin irritation or nervous system damage.
3. Authenticity: There are a large number of dyed or synthetic purple chalcedony in the market, which has been treated to enhance its color and value. However, these treatments may have a negative impact on the stability and durability of gems, making them easily broken or faded. In addition, buying and using fake or low-quality dyed chrysotile may waste money and cause economic losses to consumers.
Therefore, when consumers buy and use dyed chalcedony, they should pay attention to ensuring the authenticity and quality of the products, and try to avoid long-term contact, so as to reduce the potential hazard risk.