What is the finest texture category of jadeite known as?

The finest texture category of jadeite is commonly referred to as "Old mine." This classification is associated with jadeite that exhibits a high degree of clarity, translucency, and a smooth, even texture, characteristics that are highly prized in the gemstone market. Old mine jadeite is often sourced from historical mining locations, where the quality of the stone reflects the exceptional craftsmanship and natural formation processes of the material.

The other options, such as Type B and Type C jadeite, refer to specific treatments and qualities of jade. Type B jadeite typically has undergone treatments to enhance its appearance but may not possess the same level of quality and texture as Old mine jadeite. Type C jadeite is jade that has been treated with color dyes and involves significant alteration to the original stone, further distancing it from the esteemed qualities associated with Old mine jadeite. Show points is not a recognized category within jadeite classification. Therefore, appreciating the characteristics that define Old mine jadeite is essential for understanding why it represents the finest quality in the jadeite spectrum.