Rock Identifier
Amber (Fossilized tree resin) — gemstone
gemstone

Amber

Fossilized tree resin

AI-generated identification · may be incorrect

Hardness 2-2.5 on the Mohs scale, warm yellow to orange-red color, resinous luster, amorphous crystal structure, and a low specific gravity of 1.05-1.10.

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Physical properties

Hardness 2-2.5 on the Mohs scale, warm yellow to orange-red color, resinous luster, amorphous crystal structure, and a low specific gravity of 1.05-1.10.

Formation & geological history

Formed from the fossilization of plant resin, primarily from conifers, over millions of years spanning the Cretaceous to the Paleogene periods.

Uses & applications

Used extensively in jewelry, ornamental carvings, and as a medium for preserving ancient biological inclusions.

Geological facts

Amber floats in saltwater and emits a distinct aromatic, pine-like scent when rubbed or heated due to friction.

Field identification & locations

Easily identified by its warmth to the touch, electrostatic properties when rubbed with wool, and strong translucency under backlighting as shown.