Lewisian Gneiss rock thin section microscope photo set of four geology coasters

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  • Lewisian Gneiss rock thin section microscope photo set of four geology coasters

  • Set of 4 geology coasters showing a rock thin section microscope photograph of Hornblendite from the Avernish in Lochaber, NW Scottish Highlands. These coasters fit together to form a larger image. Great gift for a geologist.
  • £16.00

:  at  £16.00  each


A thin rock section of Hornblendite was viewed by polarised light microscopy. Hornblendite is a metamorphic rock and shows laths of actinolite in random orientation (actinolite is a member of the hornblende family)

From the Lewisian Gneiss of North West Scotland, The oldest rocks in the UK, and amongst the oldest anywhere on earth.

About 2500 million years old, half the age of the planet.

90mm square coasters printed by dye sublimation to give a vibrant, high gloss, scratch resistant finish. 

Supplied with a description on the back of each coaster.

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