Presidium Duo Tester II Diamond & Gemstone Tester Bench Tin with Lemel Tray An Enhydro/Enhydros is described as

An Enhydro/Enhydros is described as a natural water or fluid-filled chamber that is found within a crystal or mineral

Overall length 460mm

120mm height

Kit Contents: 1 each Luminous Powder (4g)

& 15mm (marked in imperial sizes)

Presidium Duo Tester II Diamond & Gemstone Tester Bench Tin with Lemel Tray An Enhydro/Enhydros is described asPresidium Duo Tester II (PDT II) is the only comprehensive tool on the market that combines two proven testing methods for gemstones. PDT II differentiates diamonds from their simulants based on both their thermal conductivity and reflective indexes. Coated gemstones can also be generally tested with the PDT II. The Presidium Duo Tester II comes with a probe pen that has a retractable probe tip, which ensures consistent pressure against the gemstone