Feature

●Collection of 15 number coded specimens that allows study in the response of specimens to long-wave ultraviolet rays. Specimens approximately 1-1/2" x 1-1/2"
●Specimens approximately 1-1/2" x 1-1/2"
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Description

A collection of 9 number-coded specimens that allow students to study the response of minerals to long-wave ultraviolet rays. Set includes identification key and compartmented tray. Specimens measure approximately 1 to 1-1/2".