by American Educational Products, LLC.
Buy new: $32.99
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Review & Description
This expanded collection allows a study in detail of the response of these minerals to the range of ultraviolet rays. There are 15 specimens approximately 1.5 x 1.5 inches in size. You will need a black light (ultraviolet uv light) to view the fluorescence of the rocks in this kit. The rocks range from short wave to long wave blacklight sensitive. Read more
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