gemstone

Carnelian beads

Carnelian, an orange-red variety of chalcedony (microcrystalline SiO₂)

AI-generated identification · may be incorrect

Hardness 6.5–7 Mohs; translucent orange to reddish-brown, vitreous to waxy luster, cryptocrystalline quartz structure, no visible cleavage. The beads are cut and polished and mounted in metal wire.

Identified October 10, 2026More gemstone →

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Physical properties

Hardness 6.5–7 Mohs; translucent orange to reddish-brown, vitreous to waxy luster, cryptocrystalline quartz structure, no visible cleavage. The beads are cut and polished and mounted in metal wire.

Formation & geological history

Forms as iron-colored chalcedony in silica-rich volcanic cavities and other environments where silica precipitates from groundwater. The material can be geologically ancient; the image does not reveal its specific source or age.

Uses & applications

Used for beads, jewelry, carvings, and ornamental objects; historically valued for seals and amulets.

Geological facts

Carnelian’s orange color comes chiefly from iron impurities; heating can intensify or alter its color.

Field identification & locations

Identify by its warm orange-red color, translucency, and hardness; common sources include India, Brazil, and Uruguay. A small strand like this typically sells for about $10–$50, depending on bead quality and metalwork.