mineral

Polished carnelian agate pendant

Microcrystalline quartz (SiO₂), orange chalcedony; likely banded agate

AI-generated identification · may be incorrect

Hardness 6.5–7 Mohs; translucent orange to reddish-brown with pale curved bands and a glassy/waxy polish. Trigonal quartz microcrystals; no visible cleavage, conchoidal fracture; specific gravity about 2.6.

Identified October 2, 2026More mineral →

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Physical properties

Formation & geological history

Silica-rich fluids deposited quartz in rock cavities, with iron impurities producing the orange color; agate formation spans many geological ages and commonly occurs in volcanic rocks.

Uses & applications

Used for jewelry, beads, ornaments, and collecting; the metal fitting makes this a wearable pendant.

Geological facts

Carnelian is an orange variety of chalcedony, while visible curved or concentric bands are characteristic of agate; the image alone cannot confirm whether it was naturally colored or treated.

Field identification & locations

Identify by its translucency, waxy-to-glassy luster, hardness, and subtle banding. Common sources include Brazil, Uruguay, India, and Madagascar; comparable polished pendants typically sell for about $10–$50, depending on size, workmanship, and metal.