Gemax Mini Specific Gravity Kit PVC Zip Polybags There is no chromium in

There is no chromium in most green stones

detecting them in just 45 to 90 seconds

the SMZ-140 can be configured to your requirements

Ruby Filter is a filter that is extremely useful in differentiating red stones such as Ruby

Gemax Mini Specific Gravity Kit PVC Zip Polybags There is no chromium inThis Specific Gravity Kit comes along with the Gemax i20 digital scale and helps to determine the precise Gravity of a gemstone. Able to identify unknown gems quickly. Ideal for Lab use or jewelry workshop. Eliminates the need for an awkward setup of a typical "weight below" scale. Inclusions : Gem Holder Supporter Underwater weighing pan Beaker & Support Gemax i20 Digital Scale Gem Tweezer