释义 |
idiomorphic adjective geology specializeduk /ˌɪd.i.əˈmɔː.fɪk/ us /ɪd.i.əˈmɔːr.fɪk/ An idiomorphic mineral consists of crystals(= pieces of a solid substance) with a regular shape: Zircons from the first sample are predominantly idiomorphic, colourless, and transparent. The quartz content in continental shale is low, although idiomorphic quartz is abundant. Six idiomorphic grains were analysed. Idiomorphic biotite concentrations in the samples appear to reflect volcanic ash falls. Within the layers, feldspar depicts idiomorphic shapes with random orientations. Idiomorphic crystals often show a zoning which suggests a multiphase growth process. SMART Vocabulary: related words and phrases Geology: mineralogy beneficiation crude crystal crystalline deposit gemologist gemology gold dust graphite intercrystalline magnesium mineral mineralogical quasicrystal seam silicon unmined vermiculite vulcanicity zircon |