UV LIGHT FOR COMPUTER, SHORTWAVE UV + WHITE LIGHT mw_grouped_product if a simple (thermal conductivity)

if a simple (thermal conductivity) diamond tester says the stone might be diamond or Moissanite (you won't know which

A digital loupe with a nice large (50mm diameter) screen and bright light (which can also be switched to UV)

Magnification: 1

so the stone must have colour

please check carefully that you are buying the correct pen-probe

UV LIGHT FOR COMPUTER, SHORTWAVE UV + WHITE LIGHT mw_grouped_product if a simple (thermal conductivity)Summary Shortwave UV light (+ white light) connects to a computer (USB lead included). Plug it in, it should open itself as a 'drive', look at the image on the screen (i. e. the UV unit does not have a viewing lens). For examining gemstones, stamps and other small objects. It can also be used for sterilising small items of jewellery to make them safe from viruses but please read the explanation first. Can be switched to UV shortwave or ordinary white