Encyclopedia
Amber
2. Amber represents fossilized resin (also known as succinite or carbuncle). It is usually found in various colors, ranging from yellow to dark orange. Care should be taken not to confuse amber or succinite with gray amber formed in the bodies of gray whales and classified under tariff item 0510
Source: "Explanations to the Customs Tariff of the Russian Federation (HS Code of Russia)" (prepared by the Federal Customs Service of the Russian Federation) (volume 1, sections I - VI, groups 1 - 29)