Dichroscope, folding Options_USB See the tbal-10Kg

See the tbal-10Kg

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

Hold the light button to adjust brightness

and by taking minimum and maximum readings for each

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

Dichroscope, folding Options_USB See the tbal-10KgSummary 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