gemstone

Amber

Fossilized tree resin (Amorphous)

Hardness of 2-2.5 on the Mohs scale, color ranges from yellow to brown and orange, resinous luster, amorphous crystal structure, no cleavage, and a specific gravity of 1.05-1.10.

Identified July 28, 2026More gemstone →

Explore Amber in the encyclopedia →

Identify your own rocks.

Get a report just like this from any photo, free.

App Store Google Play

Physical properties

Hardness of 2-2.5 on the Mohs scale, color ranges from yellow to brown and orange, resinous luster, amorphous crystal structure, no cleavage, and a specific gravity of 1.05-1.10.

Formation & geological history

Formed from the fossilization of soft, sticky tree resin, often originating in coniferous forests from the Cretaceous to Paleogene periods (millions of years old).

Uses & applications

Used primarily in jewelry, ornamental carvings, and occasionally in scientific research due to preserved inclusions like insects.

Geological facts

Amber can sometimes preserve ancient life forms like insects and plant material intact for millions of years. It is light enough to float in saltwater.

Field identification & locations

Easily identified by its low specific gravity, warm touch, resinous smell when rubbed or heated, and static electricity generated when rubbed with cloth. Found worldwide, notably in the Baltic region and the Dominican Republic.