Rock Identifier
Amber (Fossilized tree resin) — gemstone
gemstone

Amber

Fossilized tree resin

AI-generated identification · may be incorrect

Hardness 2-2.5 on Mohs scale, golden-brown to yellow color, resinous luster, amorphous crystal structure, specific gravity 1.05-1.10.

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Physical properties

Hardness 2-2.5 on Mohs scale, golden-brown to yellow color, resinous luster, amorphous crystal structure, specific gravity 1.05-1.10.

Formation & geological history

Formed through the polymerization and fossilization of tree resin over millions of years, typically dating from the Cretaceous to Neogene periods.

Uses & applications

Widely used in jewelry, decorative carvings, and for preserving ancient biological inclusions for scientific study.

Geological facts

Amber floats in saltwater and can produce a static charge when rubbed. Famous deposits include the Baltic region and the Dominican Republic.

Field identification & locations

Identified by its warm touch, low specific gravity, and characteristic pine-like scent when gently heated; commonly found in coastal sedimentary deposits.