Gemstones 【100% Updated】

: Evaluated by its hue (the basic color), tone (lightness/darkness), and saturation (intensity).

: The presence of internal "inclusions" or surface blemishes. In colored gems, some inclusions are expected and can even help identify the stone. GEMSTONES

: Many gems are heat-treated to enhance color (e.g., Aquamarine and Ruby). These treatments are generally permanent but can make stones more brittle. : Evaluated by its hue (the basic color),