Portable Polariscope FPP-30

$37.00

Gem Polariscope is used to distiguish the homogeneous gem from nonhomogenous gem and the crystalline aggregate,and test the abnormal birefringence of the gem under certain circumstance,use the conoscope to view the interference pattern and the uncoaxiality.

All Black aluminium alloy appearance. 
Diameter of polarizer:30mm; with rotating sample stage
With long life white LED cold light sources.
Build-in 3V button battery
Package: leather and paper box packing

Description

Product Feature

Model:FPP-30

All Black aluminium alloy appearance.                                      

Diameter of polarizer:30mm; with rotating sample stage                                              

With long life white LED cold light sources.                                             

Build-in 3V button battery

Package: leather and paper box packing  

 

Reaction of gem under polariscope

Four bright and four dark:crystal,moonstone,scapolite,Iolite,topaz,Peridot, Diopside,Apatite,Chrysoberyl, Corundum and the synthetic corundum,Zircon

Always bright:nepherite,jadeite,Chalcedony,Rhodochrosite,colored Marble

Always full-dark:Glass imtation,Glass aerolite,Opal,Fluorite,Grossularite,Spinel,etc.

Abnormal extinction:part of glass imitation,part of opal,Fluorite,Grossularite,most part of Rhodolite and Almandine,Synthetic spinel,most diamond,and some cubic zirconia,etc.

 

Attention

1.Crack of gem may interfere the effect of polariscope,so pls tell them apart

2.Put the gem with high refractive index into the oil with close refrative index,contour of the gem completely disappears and the inclusions are displayed.

3.This polaricope is not fit for Opaque and small gem.  

 

FABLE gemological polariscopes Parameter

Model FTP-49 FTP-LED FTP-DCL FPP-30
Parameter White LED cold light source Warm white LED cold light source Dual light source-warm light &white light Portable Polariscope
49mm large diameter polarizer 25mm diameter polarizer
Upper polarizer can rotate 360°
110mmx70mmx145mm 135mmx82mmx150mm 35mmx85mm
100v-240v 100v-240v 110-240V Button battery
High luminance, and long life

White LED cold light source

High luminance, and long life

Warm white LED cold light source

Warm white light 3200K-3800K

White light 6000K-6500K

High luminance, and long life

White LED cold light source

Load platform: 360°rotating Detachable unloading platform
Conoscope: high condenser lens No conoscope
Accessory Conoscope*1 Conoscope*1 Conoscope*1 Packaging leather case*1 Button cell*1

 

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