Polariscopes

Polariscopes

This collection highlights the essential role of polarized light in revealing a gemstone’s crystalline structure and internal stress patterns, enabling gemologists to distinguish between singly and doubly refractive materials using cross-polarized filters.
GIA Shipley Polariscope 1934
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GIA Shipley Polariscope 1934

GIA Shipley Polariscope 1934
$0.00
$0.00
GEM Instruments Polariscope (c. 1960s)
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GEM Instruments Polariscope (c. 1960s)

GEM Instruments Polariscope (c. 1960s)
$0.00
$0.00
Rayner Bench Polariscope (c.1950s~60s)
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Rayner Bench Polariscope (c.1950s~60s)

Rayner Bench Polariscope (c.1950s~60s)
$0.00
$0.00
Gem-A Portable Polariscope (c.2020s)
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Gem-A Portable Polariscope (c.2020s)

Gem-A Portable Polariscope (c.2020s)
$0.00
$0.00
Gem Instrument No. 415 Polariscope (White) c.1996
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Gem Instrument No. 415 Polariscope (White) c.1996

Gem Instrument No. 415 Polariscope (White) c.1996
$0.00
$0.00
Shimadzu Kalmew Polariscope (c. 1970~80s)
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Shimadzu Kalmew Polariscope (c. 1970~80s)

Shimadzu Kalmew Polariscope (c. 1970~80s)
$0.00
$0.00

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Refractometers

Refractometers

Polariscopes

Polariscopes

Gem Filters

Gem Filters

Gem Reports

Gem Reports

Microscopes

Microscopes

Loupes

Loupes

Journals & Magazines

Journals & Magazines

Diamond Testers

Diamond Testers

Dichroscopes

Dichroscopes

Spectroscopes

Spectroscopes

Diamond Proportionscope

Diamond Proportionscope

Immersion Cells

Immersion Cells

Misc. Gem Instruments

Misc. Gem Instruments

In-house Instruments

In-house Instruments