Son found this on the beach and is adamant its something special.

About the size of a lump of coal with glass like speckals.

  • Miarolitic@lemmy.world
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    1 year ago

    Yip definitely gabbro.

    OP, the light/ white mineral is plagioclase the dark almost black mineral is pyroxene.

    If you look at it in sunlight anything with a dark green colour is probably Olivine