Crystal Diagrams Unisex T-shirt

A vast range of crystal forms from Frederich Mohs' 1825 Treatise on Mineralogy, gorgeously arranged into a cloud of refracted colour.  Mohs is of course mainly remembered for his Hardness Scale, used to this day.

100% cotton.
Black t-shirt printed in full colour.
Care: Machine wash cool. Tumble dry low. Do not iron text/images.


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