Gemstone Testing tools
Gemstone Testing tools by Ms Nandita Ray It is tricky to test a gemstone. Some stones are soft, some are mounted while some can be coated, treated or easily …
Now Trending:
For Gemologists Archive
Gemstone Cutting
Gemstone Cutting by Sheweta Dhanuka Gem cutting is a long process that takes many months to convert simple rough into fascinating gemstone. It involves many steps. In order to …
Gemstone Hardness Chart
Gemstone Hardness Chart by Mark Gemstone Hardness Chart in Mohs scale See Also: Mohs Scale
Chelsea Filter
Chelsea Filter by Ritika Changrani Also known as Emerald filter, Chelsea filter is used to identify natural, synthetic and imitated gemstones. Developed by the British Gemmologists Anderson and Payne, …
Dichroscope
Dichroscope by Ritika Changrani Dichroscope is a tool used to differentiate similar looking gemstones based on the dichroic property of the gemstones. Some gemstones are singly refractive. They exhibit …
Polariscope
Polariscope by Ritika Changrani Polariscope is an instrument used in gemmology which helps to find if the gemstone is single refractive or double refractive and also allows determining the …
Refractometer
Refractometer by Ritika Changrani A Refractometer is a gemmological tool used to find the ability of gemstone to bend or refract light. This measure is the refractive index of …
Spectroscope
Spectroscope by Ritika Changrani A Spectroscope helps to identify cut stones, rough stones, mounted stones and unmounted stones to see whether they are real or fakes. A Spectroscope is …
Aquamarine Identification
Aquamarine Identification by Erum Qureshi Aquamarines, belonging to the Beryl family, are relatively easy to identify. Various simple tests can reveal the authenticity of an aquamarine stone. Summary: Aquamarines, …
Jewellers Loupe
Jewellers Loupe by Ritika Changrani A jeweller’s loupe is a tool that helps identify the internal flaws, cracks and blemishes on the surface and any other cover ups on …