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Summary of Contents for GIA Polariscope
- Page 1 GIA Polariscope user guide scientific instrumentation by gia...
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Page 2: Table Of Contents
Locating Optic Axis and Optic Figure ...............9 Risk of electrical shock stand, or table. Always position the polariscope so that it is easy to operate Detecting Pleochroism....................11 The device should be used in the the disconnect device (power supply manner specified by manufacturer. -
Page 3: General Information
5. Place the optic figure sphere in its holder. Sample Plate 6. To turn on the polariscope, flip the rocker switch at the back of the device to the ON position. The polariscope can be turned off at any time by flipping the rocker (Removable/ switch to the OFF position. -
Page 4: Parts List
Parts List Using the Polariscope Before you test any stone with the polariscope, clean it with a gem cloth and confirm that it is transparent to translucent and not assembled. The polariscope is not used to test opaque or assembled stones. -
Page 5: Locating Optic Axis And Optic Figure
• Stones that are over the limits of a refractometer (OTL) can give indefinite 1. Turn the analyzer to the crossed (dark) position. results in the polariscope. It’s best to confirm if the stone is singly or doubly 2. Place the magnifier on top of the analyzer. -
Page 6: Detecting Pleochroism
Use with Refractometer The polariscope may be used to provide a white light source for the GIA Refractometer as illustrated in figure 5. Figure 4. If optic colors are not visible, look for a dark shadow or “brush.”... -
Page 7: Maintenance
Solvents may damage the polariscope. DO NOT use liquid or aerosol cleaners Email: instrumentsupport@gia.edu to clean the surface of polariscope. Wet a damp cloth with a mild dish washing detergent and apply it to the polariscope. Wipe dry with soft cloth. -
Page 8: Warranty And Terms
GIA Polariscope is in fact defective, then GIA may, in its discretion, reimburse GIA will have any obligation to repair or replace a GIA Polariscope as a result of the original purchaser the reasonable shipment and insurance costs. - Page 9 GIA Polariscope during shipment to GIA. Any loss ITS SUPPLIERS OR LICENSORS OR MANUFACTURERS SHALL BE LIABLE TO THE or damage to the GIA Polariscope that occurs during shipment to GIA will be at the ORIGINAL PURCHASER OR ANY OTHER PERSON OR ENTITY FOR ANY INDIRECT, original purchaser’s sole risk.
- Page 10 Notes Notes GIA Polariscope GIA Polariscope...
- Page 11 The World’s Foremost Authority in Gemology ©2018 GEMOLOGICAL INSTITUTE OF AMERICA, INC. ALL RIGHTS RESERVED. PUG0618...
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