gemstone
Amber
Fossilized Tree Resin
AI-generated identification · may be incorrectHardness: 2-2.5 on the Mohs scale; Color: Yellow, orange, brown, occasionally red, green, or blue; Luster: Resinous; Crystal structure: Amorphous (non-crystalline); Cleavage: None; Specific gravity: 1.05-1.10 (often floats in saltwater).
- Hardness
- 2-2
- Color
- Yellow, orange, brown, occasionally red, green, or blue
- Luster
- Resinous
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Physical properties
Hardness: 2-2.5 on the Mohs scale; Color: Yellow, orange, brown, occasionally red, green, or blue; Luster: Resinous; Crystal structure: Amorphous (non-crystalline); Cleavage: None; Specific gravity: 1.05-1.10 (often floats in saltwater).
Formation & geological history
Formed from the fossilization of plant resin, primarily from conifers, over millions of years (typically ranging from Cretaceous to Paleogene periods, 30 to 90+ million years ago).
Uses & applications
Used primarily in jewelry, decorative ornaments, and occasionally in scientific research due to trapped inclusions like insects and plant matter.
Geological facts
Amber is not a true mineral as it is organic in origin. Famous amber deposits are found in the Baltic region and the Dominican Republic.
Field identification & locations
Can be identified by its warm touch, low specific gravity, resinous smell when rubbed or warmed, and electrostatic properties when rubbed with cloth. Found globally in coastal marine sediments, coal seams, and alluvial deposits.
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