Barytes from Castleton, England rock thin section Keyring (K64)

A thin rock section of Barytes was viewed using crossed polarising filters. Barytes is an ore Rock and contains Barium Sulphate, also known as Heavy Spar. 

This sample from Derbyshire near Castleton, famous for ‘Blue John’ fluorite.

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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(Image courtesy of Rob Gill, GeoSec)