The dichroscope indicates whether a stone is dichroic (reflects 2 colours). This can be helpful to distinguish stones of the same colour from each other. Dichroscopes can be identified with gems that are still in rough condition and when stones are set and difficult to get with other instruments. The light entering the dichroscope is divided into two polarised beams that have oscillation directions at right angles to each other. The two images in the dichroscope represent the polarized light, and the pleochroic colours mean birefringent stones, except when the stone is viewed through the optical axis. Monochrome in the dichroscope individually represents crushing stones. The advantage of the dichroscope is that the two pleochroic colors characteristic of a particular direction can be seen side by side in a birefringent jewel. If no dichroism is detected during the first evaluation, the stone can be turned and viewed in other directions. Trichronic gemstones can also be distinguished and show three colours when the stone is viewed perpendicular to each other in three directions. Technical data: Type: Calcite Diameter: 15 mm. Length: 60 mm. Body: metal. The set includes: 1 x Calcite Dichroscope. 1 x leather case. Stylish packaging/transport box

• Predict Mixed Colors: If use Our Jewelry Gemstone Testers no dichroism is initially detected, the gemstone can be rotated for observation using a dichroic microscope in multiple viewing directions. This helps to thoroughly evaluate the gemstone for the presence of polychromy, Get a precise idea of how the colors will blend when cut into a stone
• Durable and Reliable: Gemstone Tester Made by professional craftsmen to withstand heavy use, Our color separation mirrors are also capable of identifying Trichoic Pleochroic Colors gemstones. By looking at the gemstone from three directions perpendicular to each other, you can see three distinct color

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