Double Convex 18mm Laboratory Gem Polariscope For Gemology School

Conoscope for Viewing the Interference Figure of Gem and Jewlery​

Description:

In gemology, we use a conoscope to determine optic character in anisotropic gemstones. The conoscope creates a 2-dimensional image of the 3-dimensional interference in a mineral.
Although determining the optic character with a conoscope is a fairly easy procedure, finding the interference figure itself is not. The interference figures always appear around the optic axes of minerals.

The simplest way to find an interference figure is to rotate the stone under the polariscope, in every possible direction, while looking down the analyzer until one sees a small flash of colors appear on the surface of the gemstone. When that flash of colors is found, fix the stone in that position and hover your conoscope slightly over it. Now, while still looking through the analyzer, you should see the color flash transform into a rounded 2-dimensional image.
This image in uniaxial stones will appear different from the image in biaxial stones, each having its own characteristic pattern.

Applications: Gemological Laboratory, Gemology school, Jewelry industrial

Product Advantage:

1. The one is very flexible;

2. With light weight of 5g.

Shenzhen Fable Jewellery Technology Co.,Ltd was established in 2006, who located in Shenzhen which is called Chinese Jewelry Capital. Shenzhen, with its unique geographical location and development advantages, is the largest international well-know jewelry manufacturing base and trade set scattered places. It is also the international information center of jewelry industry as well as training center of jewelry appraisal.

Fable focus on research and development, producing and marketing jewelry detectiona and identification instruments. It specialized in Gem Microscope, Gem Refractometer, Table Spectroscope, Hand-held Spectroscope (Grating Spectroscope and Prism Spectroscope), Calcite Dichroscope, Table Polariscope, Portable Polariscope, LW/SW Ultraviolet Lamp, Optic Fiber Illumination ( Cold Light Source), Diamond Proportion Tester, Hardness Pencil, Gem Indentifying Travel Lab and so on. Some products are patented in China.

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