Gemvue Polariscope With Case

THE GEMVUE POLARISCOPE IS THE FASTEST WAY TO TEST THE OPTICAL PROPERTIES OF GEMSTONES. QUICKLY DETERMINE WHETHER GEMSTONE AND MINERALS ARE SINGLY OR DOUBLY REFRACTIVE. RESOLVE OPTIC CHARACTER IN DOUBLY REFRACTIVE GEMS AND DETECT PLEOCHROISM. OPERATES ON 2 AA BATTERIES (NOT INCLUDED). INCLUDES ZIPPERED PROTECTIVE CARRYING CASE.