10X21 triplet loupe with rim light Optical Gem Testers not-so on the forgery

not-so on the forgery

you can narrow this down by entering its colour - but you will end up with more than one possible stone

Item: Specific Gravity tester (Densimeter)

Lens material: plastic

a watchmaker's eyeglass and a good quality spring lug remover too - all in a fitted case

10X21 triplet loupe with rim light Optical Gem Testers not-so on the forgeryDetails To help you compare the 10X loupes, a summary of this item is shown in blue: SIZE: 10X12 10X13 10X14 10X20 10X21 10X21 10X23 "30X21 (magnification X diameter of lens, mm) OPTICAL QUALITY: basic good VERY GOOD exceptional POWER: 3 of 395 button battery There are also reviews of loupes, click here. Comments Light is as important as magnification, without a good light the best loupe is of little use. Sitting at a desk this isn't a problem, use