No reserve price - 1 pcs Red, Orange Sphalerite - 18.91 ct - International Colored Gemstone Association (ICA GemLab) - Rare Gem Mined From Spain

This rare sphalerite gemstone weighing 18.91 carats is certified by the International Colored Gemstone Association (ICA GemLab) and mined from Spain, underscoring its rarity and provenance. Sphalerite is a zinc sulfide mineral known for its high dispersion, often exhibiting exceptional fire and brilliance, surpassing many traditional gemstones. Its colors range across red, orange, yellow, and brown hues, with an appealing luster. The sizable carat weight and distinctive coloration make it a prized collector's item, though it is softer and less commonly used in everyday jewelry compared to harder gems. Certified by ICA GemLab, this stone's quality, origin, and characteristics have been thoroughly evaluated, enhancing its desirability for enthusiasts of unusual and vibrant gemstones.