GEM-A Portable Polariscope

Portable Polariscope allows you to determine if a gem is single or double refractive with its optic character.

The simplicity of this Gem-A pocket folding polariscope ensures the easy testing of transparent and some translucent gem materials. This portable polariscope can be used on a variety of materials including: rough, fragments, fashioned items, beads, small ornaments, carvings, gem-set items and several small stones at once.