Rock Identifier
Amber-like beach pebble (Amber (fossilized tree resin), likely heavily weathered or resinous organic material; exact identification is uncertain from the image) — gemstone
gemstone

Amber-like beach pebble

Amber (fossilized tree resin), likely heavily weathered or resinous organic material; exact identification is uncertain from the image

AI-generated identification · may be incorrect

Small honey-brown, translucent, rounded specimen with a resinous/waxy luster and no visible crystal faces or cleavage. True amber has Mohs hardness about 2–2.5 and low density (~1.05–1.10), though this piece may also be ordinary resin, copal, or a stained pebble.

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Physical properties

Small honey-brown, translucent, rounded specimen with a resinous/waxy luster and no visible crystal faces or cleavage. True amber has Mohs hardness about 2–2.5 and low density (~1.05–1.10), though this piece may also be ordinary resin, copal, or a stained pebble.

Formation & geological history

Amber formed from ancient plant resin that was buried, chemically altered, and lithified over millions of years; major deposits range from Cretaceous to Paleogene age. Beach specimens are commonly transported and abraded from coastal sediments.

Uses & applications

Used for beads, carvings, ornaments, and jewelry; collectible value depends on clarity, color, age, provenance, and inclusions.

Geological facts

Amber can float in salt water and becomes electrostatic when rubbed with wool; copal is younger and generally softer and more soluble.

Field identification & locations

Look for warm translucency, very low density, resinous odor when gently warmed, and possible inclusions; avoid destructive tests. Common beach amber occurs around the Baltic Sea and parts of the Dominican Republic, but this image alone cannot confirm amber.