Discover the art and science of flask filling in gemology, a process that enhances the clarity and vibrancy of gemstones like emeralds and rubies. This method involves filling fractures with materials like oils, resins, or lead glass to elevate the stone's appearance. Learn how gemologists use specialized tools, such as loupes and UV light, to detect these treatments and why this knowledge is crucial for buyers. We also share essential care tips for maintaining the beauty of filled stones, ensuring they retain their allure for years. Disclaimer This video is for educational purposes only. Gemstone treatments like flask filling can impact a gemstone's value, durability, and required care. Always seek advice from a certified gemologist to understand these enhancements and their implications.