Specimen Details

  • Collection Names

    Krantz M&P Collection (K45)

  • Number Of Specimens

    1

  • Specimen Nature

    Hand Specimen

  • Rock Name

    Alnoite

  • Rock Class

    Igneous

  • Rock Group

    Intrusive

  • Rock Description

    An ultramafic lamprophyre with phenocrysts of phlogopite-biotite, olivine and augite in a groundmass of melilite (often altered to calcite), augite and/or biotite with minor perovskite, garnet and calcite.

  • Category

    Natural Sciences

  • Scientific Group

    Geology

  • Discipline

    Petrology

  • Collecting Areas

    Rocks and Ores

  • Type of Item

    Specimen