Specimen Details

  • Collection Names

    Krantz M&P Collection (K45)

  • Number Of Specimens

    1

  • Specimen Nature

    Hand Specimen

  • Rock Name

    Bostonite

  • Rock Class

    Igneous

  • Rock Group

    Intrusive

  • Rock Description

    This specimen, also named Bostonite, is a fine-grained, pale-colored, grey or pinkish intrusive rock, which consists essentially of alkali-feldspar (orthoclase, perthite, anorthoclase, and albite). Some samples may contain a small amount of interstitial quartz and others may have a small percentage of calcium present in a sodic plagioclase feldspar. Accessory minerals include apatite, zircon and magnetite, with rare biotite, hornblende or pyroxene.

  • Category

    Natural Sciences

  • Scientific Group

    Geology

  • Discipline

    Petrology

  • Collecting Areas

    Rocks and Ores

  • Type of Item

    Specimen

Geospatial Information

  • Country

    Portugal

  • State

    Algarve

  • Precise Location

    Babelote, Serra de Monchique