It will tell you about a gemstone with ease. By simply holding the stone between the polaroid plates you can identify the stone as being double refractive (DR) or single refractive (SR), and whether a gem material has internal strain that could cause damage to a stone easily.
Gemmologist tool for testing transparent gemstones. Observation of optical properties, glass strain, etc. Built-in long life and h. Full visible light spectrum (400nm-700nm).
Detachable European style crocodile clip included, you can rotate the stone in any direction. With conoscope, you can get the interference figure with ease!
Interference figure help to define the optic axis. You can use worldwide (110-240V 50/60Hz 10w).Adaptable plug for your country if not, we will provide free adapter, Europe, South & North America, Africa, US, UK, Australia, Japan... With a table glass50mm(2 inch) in diameter over the lower polarizer for place your gemstones. A refractometer light source window on the front of the polariscope(non-monochromatic light). Latest model in good quality, made by metal. And high quality optic glass.
Body size :W 80mm x L 190mmxH 13mm(W3.2 xL5.2xH7.5 inch). Viewing field : 50mm(2 inch) in diameter. Net weight :1080g(2.4lb).
We are FGA holder and your question are welcomed. Stone remaines dark through 360. ° rotation in all orientations. Stone becomes light and dark four times through each 360.
° rotation in most orientations. Peridot, quartz, topaz, tourmaline, zircon. Stone stays light through 360. Reflection from cleavage in fluorite. Stone shows anomalous extinction effect.
Strain anisotropy , often in otherwise isotropic material. Almandine garnet, diamond, paste, natural glass, verneuil synthetic spinel. Some plastics, amber, some fire opal.
A polariscope will tell you about a gemstone with ease. Now you can enjoy guarantee, i.
You can return to us and replace a new one, and. The item "Pro Gem Table Top Polariscope With Gem Clip (Black, NEW)" is in sale since Monday, December 21, 2020. This item is in the category "Jewelry & Watches\Jewelry Design & Repair\Jewelry Tools\Testing & Identification Tools". The seller is "pretty_temptation" and is located in default.This item can be shipped worldwide.