Polariscope, mains-powered. Resolution_0.1g - ring stand and two

- ring stand and two stone-holding stands

Weight: 500g

in its case it's smaller an neater than other diamond testers

25mns to study the instruction manual and work out what to do

Polariscope, mains-powered. Resolution_0.1g - ring stand and twoSummary Approx. 7 X 6 X 5 inches, and the filter ("platform") 35mm diameter. Large base, easily rotates. Stone holder attaches to base for easy positioning of stone. Built in light. Guarantee: 1 year. Detail This instrument will show you if a gemstone is singly or doubly refractive. For instance, Moissanite is strongly doubly refractive, diamond is singly refractive. This is, therefore, a very cheap (if a little fiddly) method of distinguishing