gemstone

Tumbled amber

Amber (fossilized plant resin), primarily cross-linked diterpenoid organic compounds

AI-generated identification · may be incorrect

Mohs hardness about 2–2.5; translucent honey-yellow to orange-brown with resinous luster, flow textures, and possible inclusions. It is amorphous rather than crystalline, has no cleavage, and is very light (specific gravity about 1.05–1.10).

Identified August 30, 2026More gemstone →

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Physical properties

Formation & geological history

Fossilized tree resin buried in sediment and chemically altered over roughly 20–100+ million years; the specimen’s appearance is consistent with Baltic-type or other Cenozoic amber, though locality cannot be confirmed from the image.

Uses & applications

Used for beads, cabochons, carvings, jewelry, ornaments, and collectibles; high-quality pieces with visible insects or plants command premiums.

Geological facts

Amber can electrostatically attract lightweight material when rubbed and commonly softens or emits a pine-like odor when gently warmed, though heating may damage it.

Field identification & locations

Identify by its unusually low density, warm resinous appearance, conchoidal fractures, and buoyancy in concentrated salt water; distinguish from plastic with careful testing, since these tests can be destructive.