Where is Amber and Epidote found?
Amber (fossilized tree resin) and Epidote (Ca2(Al,Fe)3(SiO4)3(OH))
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Open the appAmber and Epidote occurs in specific geological environments. Knowing where to look, and in what kind of rock, is the difference between going home empty-handed and finding a great specimen.
Where to find Amber and Epidote
Baltic Sea Region (Amber)
Major source of amber, particularly along the coasts of Poland, Russia (Kaliningrad), Lithuania, Latvia, Estonia, and Germany. Found in Eocene-Oligocene 'Blue Earth' deposits.
Dominican Republic (Amber)
Known for its clear amber, often with insect inclusions, ranging from Miocene age. Found in lignite-bearing sedimentary rocks.
Myanmar (Burma) (Amber)
Cretaceous amber (Burmite) known for diverse inclusions, found in sedimentary deposits.
Austria (Epidote)
Significant occurrences in the Hohe Tauern region, forming large, well-formed crystals in metamorphic rocks.
United States (Epidote)
Found in various metamorphic terrains, including California (Sierra Nevada), Alaska, and the Appalachian Mountains.
Norway (Epidote)
Occurrences in metamorphic rocks, sometimes forming large crystals.
Collecting tips
- Amber Identification. Amber is lightweight and feels warm to the touch. It floats in saturated saltwater (a common test). It will often emit a pine-like scent when heated or rubbed vigorously. It is soft and can be scratched with a knife. Genuine amber fluoresces under UV light (often blue or green).
- Epidote Identification. Look for its characteristic pistachio-green color. Its prismatic crystal habit and perfect cleavage are key. It is harder than a steel knife (Mohs 6-7). It is often associated with quartz, feldspar, and amphiboles in metamorphic rocks.
- Geological Context for Amber. Search in coastal areas where ancient resin-bearing forests once existed, particularly in sedimentary layers associated with lignite or coal. Beachcombing after storms can yield amber washed ashore.
- Geological Context for Epidote. Explore areas with regional or contact metamorphism. Look for veins, lenses, or disseminated crystals within schists, gneisses, and altered igneous rocks. Road cuts and mine dumps in such areas can be productive.
Quick Check
- Color:
- Amber: Yellow to brown; Epidote: Pistachio-green
- Luster:
- Amber: Resinous to waxy; Epidote: Vitreous
- Streak:
- Amber: White; Epidote: White to grayish-white
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