gemstone

Amber-bearing rough specimen

Fossilized plant resin (amber; organic mineraloid), commonly succinite

AI-generated identification · may be incorrect

Translucent orange-to-honey material with resinous luster, conchoidal fracture, and irregular pale weathered matrix. Amber is very soft (Mohs 2–2.5), lightweight, amorphous, and typically has specific gravity about 1.05–1.10; the surrounding host appears sedimentary or weathered mineral matrix.

Identified September 4, 2026More gemstone →

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Physical properties

Formation & geological history

Amber formed from ancient tree resin that was buried, compacted, and chemically matured over roughly 2–50+ million years, depending on deposit. The image alone cannot establish age or locality; amber occurs in Paleogene sediments and glacially transported deposits, including the Pacific Northwest.

Uses & applications

Used for cabochons, beads, carvings, jewelry, and scientific inclusions; rough common pieces are mainly ornamental or collectible.

Geological facts

True amber often floats in concentrated salt water and produces a pine-like odor when gently warmed; copal is younger and softer. Plastic imitations may melt or smell chemical.

Field identification & locations

Likely amber attached to matrix, but confirmation requires a specific-gravity, UV, or infrared test; avoid destructive hot-needle testing. Near 48.1°N, 122.2°W, glacially transported or local sedimentary amber is plausible, though Baltic amber cannot be inferred visually.