Refractive Index is one of the most important optical parameters used to identify and authenticate polished precious and semi-precious gemstones. This Gemological refractometer is a low cost, lightweight measuring instrument used by jewelers and traders of gemstones to measure polished stones over a refractive index range of 1.30 to 1.81 RI. The instrument can also be used to identify whether a particular stone is Isotropic or Anistropic (uniaxial or biaxial).
Gemological (Gemstone) Refractometer is your primary and most powerful tool in gemstone identification. As with a typical critical angle refractometer, it will measure the Refractive Index of faceted stones.
Specifications:
Set Includes:
Optional Item (not included in set)
Please click here to buy this optional item Small Vial of 1.800 Refractive Index Oil
or you may contact us at info@instrulife.com if you want an optional items to be included in your order
A printed user manual is already included with this item. No digital user manual or software is available.
Most new, unopened items can be returned within thirty (30) days of delivery for a full refund. If the return is due to our error—such as receiving an incorrect or defective item—we will also cover the return shipping costs.
If you request a refund, it will be issued using the original payment method within four (4) weeks after you hand the package over to the return carrier. This timeframe includes shipping transit to our facility, processing upon receipt, and the time required for the refund to be posted to your account.
WARRANTY POLICYMost of our items come with one (1) year warranty for manufacturer defects. It does not include damage caused by misuse, accidents, abuse, alterations, neglect or other external causes.
The warranty will not extend to consumables (i.e. electrodes, calibration solution, battery, index oil), accessories, cable, compact disk and/or any written document bundled with the item.
For more information, please visit our Return, Refund, and Warranty Policy page.
