gemstone

Carnelian pendant

Carnelian, orange chalcedony (microcrystalline quartz, SiO₂)

AI-generated identification · may be incorrect

The polished, translucent orange-red drop is consistent with carnelian; quartz has Mohs hardness 7, vitreous-to-waxy luster, and no visible cleavage. The photo does not establish whether it is natural, dyed, or heat-treated.

Identified October 2, 2026More gemstone →

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Physical properties

Formation & geological history

Carnelian forms as iron-colored chalcedony in volcanic rocks and silica-rich cavities, commonly through low-temperature deposition. It occurs in deposits of many geological ages.

Uses & applications

Used for pendants, beads, and other jewelry, as well as decorative carvings and collectibles.

Geological facts

Carnelian is a variety of chalcedony; its warm color comes chiefly from iron impurities and may be enhanced by heating.

Field identification & locations

Look for a smooth, waxy luster and orange-to-red color; common sources include India, Brazil, and Uruguay. A photo alone cannot confirm the material—check hardness or consult a gem professional.