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Certification:Patent Number: ZL201320177212.8

 Pleochroism Color of Ruby Can Be Seen Under the Caltite Dichroscope

Description:

The dichroscope is a pocket-sized tool that can aid in the identification of gemstones. This tool is used to inspect pleochroism color in gemstones and to quickly separate some common stones from each other (such as ruby versus red garnet).

The calcite dichroscope is the preferred type of dichroscope used in gemology. It works because the calcite rhomb (Iceland spar) separates the polarized slow and fast ray emerging from the gemstone. If you look at the viewing end of the dichroscope, two small windows are seen.
A gemstone is placed in front of the aperture (slightly touching it) with a strong white light source (such as a penlight) directly behind the stone. Light enters through the aperture of the dichroscope. The pleochroism colors inside the gemstone are separated by the calcite rhomb. The glass prisms on either side of the rhomb are there to guide the light straight through the instrument.

Fable Brand Calcite Dichroscope with:

Excellent iceland spar                                                   Standard rectangle window and square window can be choosed.                Rotating stage,gemstone and dichroscope can rotating 360°,adjustable up and down,backward and forward,easy operation Black appearence aviod reflecting interference Big eyepiece,clear observation                                            Light package

Specifications:

Technical Parameter	Size	85X65X30mm
Size of Window	2x2mm
Function	to see the pleochroic color of a stone at a time
Portable	Yes
Power supply	Day light/ torch

Applications: Gemological Laboratory, Gemology school, Jewelry industrial

Product Advantage:

 Large visible viwer Window and hight quality. With Rotatable stage.