We are now closed for the festive period, reopening on 3rd January. Orders placed in this time period will not be dispatched until our return. Thank you for your patience. We wish you a very Merry Christmas and a happy New Year.
Out of stock
Standard shipping fees £5+ may apply. For detail click here.
The Gem-A refractometer with in-built monochromatic filter is used for measuring the refractive indices of faceted gemstones. It is also useful for testing cabochons, carvings and crystal faces and can be used to distinguish between gemstones of an optically isotropic or anisotropic nature. This instrument is supplied with 1.78 Refractive Index Liquid, a removable polarising […]
We are open from Monday to Friday.