US$ 22.99
perfectly polished surface
one year guarantee
We sold several thousand pen-probes for the predecessor of these models (the KEE tester
left-handed or right-handed use
some marquis and ovals)
Polariscope, mains-powered. Toolsets mostly for jewellery perfectly polished surfaceSummary 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
US$ 22.99
US$ 158.00
US$ 53.99
US$ 51.99
US$ 82.99