Dichroscope, folding Options_USB information about (and reviews of)

information about (and reviews of)  binocular (head-worn) magnifiers- especially the surgeons-type

and you then have to decide which one it is

Test plate made of Cz (cubic Zirconia)

They also say it should be replaced after a year (a year from the date on our sticker)

Dichroscope, folding Options_USB information about (and reviews of)Summary Folds into a case (like a loupe), 20mm 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 often see the two colours by viewing the stone from different directions, but this can be difficult (often impossible with stones is set in jewellery), it's easier to use a dichroscope. Is it easy to use? Yes. Limitations & Disclaimer For coloured stones only. This