Geology Rocks! -- You'll dig this navy blue Geology Rocks T-shirt! Complete with Mohs Scale, this colorful T-shirt identifies rocks beginning with the softest (talc) and ending with the hardest (the diamond). -- The T-shirt provides a great visual aid for the geology student who needs to learn Mohs Scale! Any geologist in your life will certainly appreciate this cool T-shirt! (100% cotton)

$16.95

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GEOLOGY ROCKS T SHIRT

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