Ajoite stone, 5.92 carats

Technical details: Type: Iolite Weight: 5.92 carats Dimensions (mm): 14.29x11.80x6.09 Shape: Oval Color: Blue Clarity: Eye-clean Transparency: Transparent Hardness: 7.0-7.5 Treatment: Untreated Origin: Unknown Certification: Certificate from Saudi Laboratory (MT) - Website (www.mtgl.com.sa) Iolite is a gemstone belonging to the cordierite mineral group. It is known for its violet-blue to grayish-blue color and is particularly famous for its strong pleochroism, where it shows different colors (such as blue, gray, or pale yellow) when viewed from different angles. Iolite is composed of magnesium, aluminum, and iron silicates, and usually forms in metamorphic rocks or in gneiss rocks.