Amber

Physical Properties

Hardness: 2.0-2.5 on Mohs scale; Color: Yellow, orange, honey-brown; Luster: Resinous; Crystal structure: Amorphous (organic); Specific gravity: 1.05-1.10.

Formation & Geological History

Formed from the fossilization of tree resin over millions of years (primarily Eocene epoch, 35-50 million years ago) in coniferous forest environments.

Uses & Applications

Used primarily in jewelry (beads, pendants), decorative arts, and as a scientific resource for studying preserved prehistoric inclusions (insects, plants).

Geological Facts

Amber is organic in origin and can float in saltwater. It is famous for sometimes containing perfectly preserved DNA or organisms from millions of years ago, popularized by the movie Jurassic Park.

Field Identification & Locations

Identify in the field by its lightweight feel, warmth to the touch, and ability to generate static electricity when rubbed. Found commonly along the Baltic Sea coast and in the Dominican Republic.

Identified on: 4/23/2026

Mode: Standard