Which factor influences the value of turquoise in gemstones?

The value of turquoise in gemstones is influenced by several factors, which is why the correct answer encompasses all aspects: origin, size, and color.

Origin refers to where the turquoise is mined, as certain locations are renowned for producing higher-quality stones. For instance, turquoise from regions like Sleeping Beauty in Arizona or Persian turquoise tends to be more sought after due to their distinct characteristics and historical significance, often resulting in higher market value.

Size plays a crucial role as well; larger pieces of turquoise are rarer and more desirable than smaller ones. This scarcity directly impacts pricing, as larger stones can be more challenging to find and often require more crafting to make them suitable for jewelry or other applications.

Color is arguably one of the most significant factors when determining the value of turquoise. The most prized turquoise exhibits an intense, vivid blue color, often described as "robin's egg blue." Greenish shades may also be valued, depending on their hue, clarity, and the presence of matrix patterns. The evaluation of color involves its tone and saturation, which can greatly affect desirability and, in turn, value.

Together, these factors create a comprehensive framework for evaluating turquoise gemstones, making it clear why a multifaceted approach is essential in determining their overall worth.