What is the trade name for pink to red elbaite tourmaline?

The trade name for pink to red elbaite tourmaline is Rubelite. This designation is widely recognized within the gemstone industry and among gem enthusiasts as it specifically refers to the vibrant pink to red varieties of tourmaline. Rubelite is cherished for its appealing hues and is often used in fine jewelry.

The color range of elbaite tourmaline is broad, but the term "Rubelite" specifically encapsulates those pink to red tones, differentiating them from other forms of tourmaline that display different colors. The name has been established in trade and is commonly used when marketing these beautiful gemstones.

In contrast, other choices listed refer to entirely different types of gemstones. Spinel, garnet, and topaz are distinct mineral species with their own characteristics and do not represent the same chemical composition or color variations as elbaite tourmaline. Thus, Rubelite is the correct and trade-recognized name for pink to red elbaite tourmaline.