gemstone

Tumbled amber-like inclusion

Likely amber (fossilized tree resin; complex polymer), but identification is uncertain from the image

AI-generated identification · may be incorrect

Small rounded translucent yellow-brown piece with resinous/waxy luster and probable internal inclusions; amber hardness is about 2–2.5 Mohs, low density, and amorphous rather than crystalline. It may also be copal or a resin-coated organic fragment.

Identified August 11, 2026More gemstone →

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Physical properties

Formation & geological history

Amber formed when ancient conifer or flowering-plant resin polymerized and fossilized in sediments, commonly over millions to tens of millions of years; copal is much younger. Common sources include the Baltic region, Dominican Republic, Mexico, Myanmar, and Indonesia.

Uses & applications

Used for beads, carvings, ornaments, jewelry, and collecting; historically used as incense and folk medicine. Small ordinary pieces have limited commercial value.

Geological facts

Amber can float in concentrated salt water and typically develops an electrostatic charge when rubbed. Inclusions such as insects, plant fragments, or bubbles can greatly increase value.

Field identification & locations

Field tests include warm-needle odor resembling pine resin and UV fluorescence, but these can damage specimens; avoid destructive testing. Natural amber is lightweight and warm to the touch, while plastic imitations often feel heavier or show molded surfaces.