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    • P521531
    • Mineral specimen of stilbite. Byshot,...
    • P521532
    • Mineral specimen of linarite....
    • P521538
    • Mineral specimen of thomsonite with...
    • P521540
    • Mineral specimen of prehnite. Castle...
    • P521541
    • Mineral specimen of idocrase. Dalnabo,...
    • P521542
    • Mineral specimen of pyromorphite....
    • P521544
    • Mineral specimen of barite vein in...
    • P521546
    • Mineral specimen of prehnite. Boyleston...
    • P521547
    • Mineral specimen of muscovite mica....
    • P521548
    • Mineral specimen of pyrite . Meall nan...
    • P521549
    • Mineral specimen of pyrite. Cuan Slate...
    • P521550
    • Mineral specimen of crystals of zinc...
    • P521551
    • Mineral specimen of dressed mica.
    • P524769
    • Pyrite mineral specimen.
    • P513276
    • Atar sheet. Sodalite-syenite.
    • P524899
    • Vesicular metabasalt with quartz...
    • P527597
    • Muscovite mica from Sguirr Marcasaidh,...
    • P527598
    • Iron ore from a vein at the east end of...
    • P527600
    • Muscovite mica from the Loch Nevis Mica...
    • P527602
    • Muscovite mica from the Loch Nevis Mica...
    • P527604
    • Muscovite mica from Loch Affric area.
    • P527609
    • A box of untreated foreign vermiculite,...
    • P527631
    • A manganese ore known as manganite from...
    • P527641
    • Feldspar with plates of biotite from...
    • P527900
    • Concretionary ironstone from Lecht,...