1, chemical composition: the chemical composition of a gem is one of the main factors affecting its color. Different chemical elements and compounds can give gemstones different colors. For example, ruby contains chromium, and its red color is caused by chromium ions.
2. Physical structure: The physical structure of a gem will also affect its color. For example, the lattice structure of diamond determines that it can show unique refraction and reflection effects, making it show sparkling sparks.
3. External environment: The external environment will also affect the color of jewelry. For example, long-term sunlight exposure can make the colors of some gems brighter, while long-term dark storage may make the colors lighter.
4. Processing: The color of jewelry can also be changed by processing. For example, heat treatment can change the color of precious stones, making them more vivid or uniform.
Matters needing attention in buying jewelry
1, Understanding Jewelry Knowledge: Before buying jewelry, knowing some basic jewelry knowledge, such as the types, characteristics and identification methods of gems, can help you choose and evaluate jewelry better.
2. Choose a reliable jeweler: Choosing a jeweler with good reputation and excellent reputation can guarantee the quality and authenticity of jewelry. It is best to choose a jeweler with professional qualifications and certification.
3. Check the certificate and appraisal report: When buying jewelry, it is required to check the certificate and appraisal report of jewelry to ensure that the information such as purity, weight and quality of jewelry is true and reliable.
4. Pay attention to the craftsmanship and details of jewelry: carefully observe the craftsmanship and details of jewelry, such as whether the welding is firm, whether the gem is loose, and whether the surface is flawed. , to ensure the quality and durability of jewelry.