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″.
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″.