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, yellow to brown 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, yellow to brown color, resinous luster, amorphous crystal structure, specific gravity 1.05-1.10.

Formation & geological history

Formed through the polymerization and fossilization of ancient tree resin, typically dating from the Cretaceous to Tertiary periods.

Uses & applications

Used primarily in jewelry, decorative carvings, and as a historical medium for preserving ancient insects and flora.

Geological facts

Amber floats in saltwater and can produce static electricity when rubbed with cloth due to its organic resin origin.

Field identification & locations

Identified by its warm touch, low density, and aromatic scent when gently heated; found globally in regions like the Baltic Sea and Dominican Republic.