Carnelian stone weighing 5.536 carats

Technical details: Type: Carnelian Weight: 5.536 carats Dimensions (mm): 14.05x11.11x5.02 Shape: Oval cabochon Color: Brownish red Clarity: Non-graded Transparency: Semi-transparent Hardness: 6.5-7.0 Treatment: Untreated Origin: Unknown Certification: Certificate from Saudi Laboratory (MT) - Website (www.mtgl.com.sa) Carnelian is a type of Chalcedony, which in turn is a form of fine-grained quartz. Carnelian is known for its orange to reddish-brown color, attributed to iron oxide impurities. This stone features transparency ranging from semi-opaque to transparent, often with a waxy luster. Carnelian forms in volcanic rock cavities.