a. A mineraloid; amorphous hydrocarbons from resins secreted by trees or
shrubs upon injury, derived by oxidation and polymerization of nonvolatile
terpenoids; in sedimentary rocks and on beaches, e.g., Baltic Sea.
See also: chemawinite
b. A hard, brittle fossil resin, yellow to brown, that takes a fine polish; may contain fossil insects and plant matter. Syn: succinite; bernstein; electrum. See also: resin
c. A group of fossil resins containing considerable succinic acid and having highly variable C: H: O ratios; e.g., almashite, simetite, delatynite, and ambrosine. See also: copal
Source: Dictionary of Mining, Mineral, and Related Terms