Dichroscope, tube

Summary A tube 50mm long X 12mm dia. If a stone is dichroic (transmits two colours at once) you will see the two distinct colours when viewed through a dichroscope. You can see the two colours by viewing the stone from different directions, but this often impossible if the stone is set in jewellery, it's easier to use a dichroscope.  Is it easy to use? Yes.  Limitations & Disclaimer For coloured stones only. This is a standard gem tester used by gemmologists, it does not come with instructions, you are expected to know how to use it (a bit like a bicycle, it does not come with instructions telling you how to ride it). All equipment and materials must be used in conjunction with the user's skill, knowledge and experience. Under no circumstances shall QUICKTEST be liable for direct or indirect loss sustained in connection with any item. It is your responsibility to regularly check equipment against known samples, to ensure that it is working correctly.