mineral
Amber / Copal
Organic resin, C10H16O
Hardness: 2.0-2.5 (Mohs), Color: honey-yellow, orange, brown, Luster: Resinous, Crystal structure: Amorphous, Specific gravity: 1.05-1.09
- Hardness
- 2
- Luster
- Resinous, Crystal structure: Amorphous, Specific gravity: 1
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Physical properties
Hardness: 2.0-2.5 (Mohs), Color: honey-yellow, orange, brown, Luster: Resinous, Crystal structure: Amorphous, Specific gravity: 1.05-1.09
Formation & geological history
Formed through the fossilization of plant resin from ancient trees. While true amber is millions of years old, younger sub-fossilized resin is known as Copal.
Uses & applications
Used in jewelry, decorative arts, perfume manufacturing, and as important specimens for paleontology when inclusions (bugs) are present.
Geological facts
Amber can float in saltwater. It often traps prehistoric insects, feathers, and plant matter, providing a 'time capsule' of ancient ecosystems.
Field identification & locations
Identify by its light weight (it is much lighter than stone) and warm feel; it can also be tested by its ability to generate static electricity when rubbed.
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