A thin rock section of Piemontite was viewed by polarised light microscopy, This is a metamorphic ore rock formed by the action of manganese rich fluids at high temperature and pressure on existing rocks. From St Marcel, Italy.
Silver coloured high quality metal keyrings with a colourful dye-sublimation printed picture of a microscope image on one side that gives a durable and scratch resistant finish.
Keyrings measure 42x25mm (measured without including ring).
Supplied in a presentation box with a label describing the image.
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