Amber

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  1. 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
  2. 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
  3. 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


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