Amber

Amber is fossilized tree resin from ancient conifers, hardened over 30 to 90 million years into a warm organic gem that ranges from pale lemon and honey gold through cognac, cherry red, and rare greens and blues. Chemically it is an organic compound approximating C₁₀H₁₆O₂ (carbon, hydrogen, and oxygen), not a true mineral. Its low density lets it float in saltwater, and many pieces carry inclusions — trapped insects, pollen, bark fragments, and gas bubbles — that confirm organic origin and add collector value.

Amber Origin and Key Properties

The dominant source is the Baltic region, where succinite is extracted along the coasts of Poland, Lithuania, and Russia's Kaliningrad Oblast, which alone holds an estimated 90% of the world's commercial reserves. Baltic amber contains 3–8% succinic acid, a higher level than deposits elsewhere. Other notable sources include the Dominican Republic (home to rare blue amber that fluoresces under UV), Chiapas in Mexico, Myanmar (burmite, roughly 99 million years old with Cretaceous inclusions), and smaller finds in Romania, Sicily, and Lebanon. The Amber Road trade route carried Baltic material to the Mediterranean from about 1900 BCE onward.

On the Mohs scale amber measures 2 to 2.5, putting it among the softest gem materials — softer than a fingernail in some cases. Specific gravity runs 1.05–1.10, refractive index around 1.54, and transparency varies from fully clear to cloudy or opaque depending on trapped micro-bubbles. Fracture is conchoidal, and the surface takes a soft resinous luster rather than a glassy polish.

Treatments are common and should be disclosed. Heat and pressure in an autoclave (often called "clarified" or "clarified Baltic" amber) drives out cloudiness and produces the sun-spangle internal discs many shoppers recognize. Dyeing deepens cognac or produces green and cherry tones. Pressed amber, also labeled "ambroid," is made by fusing smaller fragments under heat — it is still genuine amber but sells at a lower tier. Avoid material described only as "copal," which is young resin under a million years old and not true amber.

Amber in Sterling Silver Jewelry

Because amber is soft and heat-sensitive, cutters favor cabochons, polished freeforms, smooth beads, and carved shapes over faceting; faceted amber exists but is less common. Sterling silver (.925) is the standard setting metal at SilverRush Style for several practical reasons: it is lightweight enough for large cabochons without straining earlobes, its cool white tone makes honey and cognac hues read warmer, and bezel settings in silver protect the soft stone edges from chips. Our amber jewelry collection spans rings, pendants, earrings, bracelets, and brooches, with most pieces priced between $25 and $150 depending on size, clarity, and whether inclusions are present.

Care and Cleaning

Clean amber with lukewarm water, a drop of mild soap, and a soft cloth — then dry fully. Never use ultrasonic or steam cleaners, and keep amber away from perfume, hairspray, alcohol, acetone, and household solvents, all of which etch the surface. Prolonged sunlight and dry heat can cause crazing (fine surface cracks), so store pieces in a soft pouch away from radiators and direct sun. Apply cosmetics and fragrance before putting jewelry on.

Frequently Asked Questions