Portable Handheld Polariscope Gems Gemstone tool

The polariscope shows if a stone is doubly or singly refractive through a pair of polarized lenses encased in a sturdy plastic frame. Includes LED flashlight light source that attaches beneath the polariscope and protective carrying case.  This polariscope can also be used with Conoscope.(conoscope sold separetly, please check my store for conoscope) The conoscope allows you to see 2-d representation of the 3-d interference of the axis within the gem. The axis and its visual image is also called the interference figure. Conoscopes are also called interference spheres or interference balls.  Buy Now   Features: HEAVY DUTY and precise because it made with metal and optical glass Durable, reliable and made by professional craftsmen Gemmologist tool for diagnosing optical properties of a gemstone (singly refractive or double refractive)during usage Specifications: Size: Length : 80mm Diameter : 28mm Power for flash light : AA battery x 2 (Batteries are not included) Material: Optics glass, Metal Gemmologist tool for diagnosis optical properties of your gemstone(singly refractive or double refractive) Operating Information : 1. Put the flashlight into the opening under the polariscope. 2. Tighten the screw to hold the flashlight secure. 3. Insert the removable lens into the polariscope with narrow end down. 4. Place Gemstone in the prong holder (tweezer) into the open space as shown below. 5. Turn on flashlight. Hold the upper portion of the polariscope to your eye. Accessories included: LED Flashlight (LEDs x 3) Carry Pouch Warranty: 2 years warranty