Amber is recovered in three main ways: open-pit mining of amber-bearing sediment, collecting pieces washed out by the sea, and digging small tunnels or pits by hand. The largest single source is the open-pit mine at Yantarny on Russia's Baltic coast. In the Dominican Republic and Myanmar, miners dig narrow shafts and tunnels into hillsides. After recovery, raw amber is sorted, cleaned and often treated before it is cut and polished.
Where amber is found
Amber is fossil resin, so it occurs in sedimentary rocks and loose sediments laid down near ancient forests. Pieces were carried by rivers and deposited in deltas, lagoons and shallow seas, where they were buried along with sand, clay and plant debris. The page on sedimentary rocks and gemstones explains how these basins form and preserve material.
Amber has a specific gravity of about 1.05 to 1.10, only a little denser than water. That low density shapes every mining method. Amber does not concentrate in heavy gravels the way gold or sapphire does. It can be lifted and moved by water, so storms bring it ashore and jets of water can wash it out of sediment.
Baltic open-pit mining at Yantarny
The richest known amber deposit lies in the Sambia Peninsula, in the Kaliningrad region of Russia. Here, a layer of greenish-gray glauconite-rich sand called the blue earth holds amber at depths of several tens of meters below the surface. The layer dates to the Eocene epoch and is often several meters thick.
Large-scale mining began in the 19th century, when a Prussian company developed open-pit and underground workings. Today the main operation is at Yantarny, the former Palmnicken. The process works like this:
- Excavators and draglines strip away the overlying sand and clay to expose the blue earth.
- High-pressure water jets break up the amber-bearing layer and turn it into a slurry.
- Pumps carry the slurry through pipes to a processing plant.
- At the plant, screens and washing remove the sand. Amber, being light, is easy to separate from heavier minerals.
- Workers sort the raw amber by size, color and quality, separating jewelry grade material from pieces used for pressing, varnish or chemical products.
Only a fraction of the output is suitable for jewelry in its natural form. Smaller and lower grade pieces may be melted for varnish or heated and compressed into pressed amber.
Collecting from the sea
Baltic amber also comes from the sea. Waves erode amber-bearing sediments offshore, and amber's low density lets it float or roll along the seabed in salty water. After autumn and winter storms, pieces wash up on beaches in Poland, Lithuania, Russia, Germany and Denmark, often tangled in seaweed.
Collectors walk the tide line or use long-handled nets to scoop floating seaweed from the shallows. This traditional method is known in Polish and German as amber fishing. On some coasts, people search at night with ultraviolet lamps, since amber fluoresces. Rules on beach collection vary by country and by location, and some coastlines are protected.
In Poland, amber is also extracted from coastal sediments using a hydraulic method in which water is pumped into the ground through pipes, freeing amber that floats to the surface. Unregulated digging of this kind has caused damage to forests and land in parts of Ukraine's Rivne region, where amber-bearing sands lie close to the surface.
Dominican amber tunnels
Dominican amber comes from mountainous areas in the north of the island, especially the Cordillera Septentrional near Santiago, and from the eastern region around Bayaguana and Sabana. The amber lies in layers of sandstone, shale and lignite.
Mining is done by small teams using hand tools. Miners dig narrow tunnels into hillsides, often following a single amber-bearing seam. The tunnels may be braced with wood and lit by candles or lamps. Work is slow and can be dangerous, since the tunnels can collapse. Each piece comes out by hand, which helps preserve fragile pieces with inclusions.
This small-scale method yields clear amber and much of the blue amber the Dominican Republic is known for. Mexican amber from Chiapas, around Simojovel, is mined in a similar way.
Myanmar's Hukawng Valley
Burmese amber comes from the Hukawng Valley in Kachin State, in northern Myanmar. Miners dig pits and narrow vertical shafts to reach amber-bearing layers of Cretaceous age, the same region that produces Burmese jadeite. The work is manual and often dangerous.
The area has been affected by armed conflict, and parts of the trade have been linked to that conflict. Some scientific journals and societies have changed their policies on research involving amber from the region since about 2020. Buyers concerned about origin can ask sellers for information, but documentation is often limited.
Processing raw amber
Freshly dug amber usually has a rough, weathered crust. Processing typically follows these steps:
- Cleaning: washing and tumbling remove sand and loose crust.
- Sorting: material is graded by size, clarity, color and whether it contains inclusions.
- Clarifying: heating amber in rapeseed or other oil fills tiny bubbles and turns cloudy amber clear. Controlled heating and cooling can also produce sun spangles.
- Color treatment: heating in an autoclave under pressure darkens the surface, producing cognac or cherry tones.
- Pressing: small chips are heated to roughly 200 degrees Celsius or more and pressed under high pressure into blocks. The result is called pressed amber, reconstructed amber or ambroid.
- Cutting and polishing: amber is soft, so it can be shaped with saws, files and grinding wheels, then polished with fine abrasives.
These processes are widely used, and buyers can ask whether a piece has been treated. The page on gemstone treatments explains disclosure norms, and amber's history covers how the trade developed over time. Amber's place among organic gems explains why it needs gentle handling during cutting.
Frequently asked questions
Where is most amber mined?
Most Baltic amber comes from the open-pit mine at Yantarny in Russia's Kaliningrad region. Smaller amounts come from Poland, Ukraine, the Dominican Republic, Mexico and Myanmar.
Can you find amber on the beach?
Yes. Storms wash Baltic amber onto beaches in Poland, Lithuania, Russia, Germany and Denmark. Rules on collecting vary by country and location.
What is the blue earth?
It is a layer of greenish-gray sediment in the Sambia Peninsula that holds Baltic amber. The name refers to its color, not to blue amber.
Is Dominican amber mined by machine?
Mostly no. Miners dig small tunnels by hand into hillsides, which is slow work but helps preserve pieces with inclusions.