The Kassoy Polariscope is a long-time industry favorite for accurate gemstone identification.
The popular Kassoy polariscope helps you identify gemstones by quickly and accurately identifying single or double refracting stones. Helps distinguish between natural and synthetic amethyst and separate jade and chalcedony from glass. Also helps detect internal strain in many gemstones. The polariscopes built-in light can also serve as a light source for a refractometer. It comes complete with a stone holder and dust cover plate for bottom well. Measures 5 1/2" x 3 1/4" x 7 1/4". Comes with a 1 year warranty.