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Portable Gem Polariscope distinguish homogeneous heterogeneous gem FPP-30

Shenzhen Fable Jewellery Technology Co., Ltd.

Portable Gem Polariscope distinguish homogeneous heterogeneous gem FPP-30

Brand Name : Fable

Model Number : FPP-30

Place of Origin : Guangdong, China

MOQ : 1PCS

Payment Terms : T/T, Western Union,Paypal

Delivery Time : 7-10 days after order confirmation.

Packaging Details : Normal

Price : FOB Shenzhen: USD45.00/unit

Product Name : Portable Polariscope

Light Source : LED cold light

Power Supply : DC3V Button battery

Material : Alnuminum

Color : Black

Package : Leather Box/Carton

Warranty : 12 month

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Portable Gem Polariscope distinguish homogeneous heterogeneous gem FPP-30

Model Number: FPP-30

Specification:

Product Name Portable Polariscope
Appearance black aluminium alloy
Polariscope film 30mm Diameter
Product Weight 130 g
Product Size 35mm Diameter*92mm Height
Light white LED cold light sources
Power Supply Built-in 3V button battery
Feature Rotatable sample platform
Function Observe the optic character of Gemstone
Package inner black leather box and then a gift paper box

Product Description

The polariscope is one of the most underestimated tools in gemology.

Most gemologists use it to quickly determine if the stone at hand is isotropic or anisotropic or, at best, to determine the optic character of gemstones.

In addition, the polariscope is very useful for distinguishing solid inclusions from negative inclusions as well as for spotting polysynthetic twinning.

A polariscope uses polarized light for gem identification. It consists of two polarized filters, one on the top and one on the bottom of the instrument.

Both the polarizer and the analyzer have their own vibrational planes. When the vibrational plane of the polarizer is at right angles to the vibrational direction of the analyzer, the field between them remains dark. This position is known as the "crossed position". In this position, gems can be tested to determine if they are:

  • isotropic
  • anisotropic
  • anomalously double refractive or an
  • anisotropic aggregate

Portable Gem Polariscope distinguish homogeneous heterogeneous gem FPP-30Portable Gem Polariscope distinguish homogeneous heterogeneous gem FPP-30


Product Tags:

gemological tools

      

gemology equipment

      
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