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Help CenterTable Polsriscope With a Conoscope and World Wide Voltage of 100V to 240V
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Table Polsriscope with a Conoscope and World Wide Voltage of 100V to 240V
Bench Polariscope
Specifications:
- 49mm heavy calibre.
- rotatable sample platform and interference ball
- Yellow LED cold light sources, long lifetime ,easy to observe the interference pattern and protect the polarizer lens
-Voltage:110V-240V, world wild DC3V external power source.
Functions:
1)Tests transparent and translucent gemstones,detect optical properties pleochroism and synthetic .
2)It can identified the polycrystalline or cryptocrystalline and singel crystal;
3)identified uniaxial crystal and biaxial crystal according to the interference figure under the interference ball.
4)Identified isotropic gem and anisotropic gem.
Limitations:
1)Not applicable to the gemstone with opaque and dark color.
2)Not applicable to the gemstone with too much crack and blemish as well as inclusions.
Attentions:
1)when testing the anisotropic gem,the vertical axis facet shows full darkness,have to test many facets.
2)The polysynthetic twins shows full brightness,it's not the phenomenon of polycrystalline.
3)The transparent gem with too many cracks would be full brightness of the view edge.
4)The abnormal double refraction should be abserve carefully, sometimes combine with other instruments,such as the red garnet when there present a changes of light and shade, observe it then find if it possess polychromaticity.
Fable supply another types:
| Item name | Model | Light source | Power supply |
| Portable polariscope | FPP-30 | LED white light souece | 3V cell battery |
| Bench polariscope | FTP-49 | LED white light source | DC3V |
| Bench polariscope | FTP-LED | imitate incandescent light LED cold light source | DC3V |
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