Polariscope, mains-powered. Toolsets mostly for jewellery see optional accessories

see optional accessories

You can often see the two colours by viewing the stone from different directions

left-handed or right-handed use

- brightest for 9 hours (4 hour at its very brightest then 5 hours not quite so bright)

3X magnification

Polariscope, mains-powered. Toolsets mostly for jewellery see optional accessoriesSummary 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