Rock Identifier
Orange cabochon gemstone, likely amber or amber-like resin (Natural amber: fossilized plant resin (organic mineraloid), commonly succinite; exact identification requires testing) — gemstone
gemstone

Orange cabochon gemstone, likely amber or amber-like resin

Natural amber: fossilized plant resin (organic mineraloid), commonly succinite; exact identification requires testing

AI-generated identification · may be incorrect

Translucent orange body with darker inclusions and a polished cabochon cut; amber hardness is about Mohs 2–2.5, resinous luster, low density (~1.05–1.10), and no crystal structure or cleavage. The metal-colored border appears to be a jewelry setting.

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Physical properties

Translucent orange body with darker inclusions and a polished cabochon cut; amber hardness is about Mohs 2–2.5, resinous luster, low density (~1.05–1.10), and no crystal structure or cleavage. The metal-colored border appears to be a jewelry setting.

Formation & geological history

Natural amber formed from hardened tree resin that was buried and chemically altered over tens of millions of years, commonly Cretaceous to Paleogene in age; major sources include the Baltic region, Dominican Republic, Mexico, and Myanmar.

Uses & applications

Used in jewelry, ornaments, and collecting; unusual inclusions can increase value. If synthetic resin, it has decorative value but little geological value.

Geological facts

Amber commonly becomes electrostatic when rubbed and may fluoresce blue, green, or yellow under UV light; natural pieces may contain insects or plant fragments.

Field identification & locations

Check for light weight, warm feel, UV fluorescence, and a resinous smell when gently warmed; avoid destructive tests because dyed copal, plastic, and pressed amber can look similar. Commonly found as rounded nodules or jewelry cabochons.