Carnelian stone weighing 10.96 carats

Technical details: Type: Carnelian Weight: 10.960 carats Dimensions (mm): 13.54x10.03x5.37 Shape: Oval cabochon Color: Brownish red Clarity: Non-rated 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 or 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.