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Polariscope Gemstone Identification Kit

      Identifying the minerals used for gemstones can be a complex process.

The polariscope is usually the first tool beginners learn to use.

Learn how & when to use a polariscope for identification.

Feel confident that you are using it correctly!



      Using the full-color guide, conduct six tests on the accompanying FIVE gemstones and Iceland spar.

With Terra's easy-to-follow, illustrated guide you will learn:

  • How to identify singly and doubly refractive gemstones.

  • How to recognize a gemstone that is exhibiting anomolous double refraction (included garnet and fluorite).

  • How to use the polariscope to identify microcrystalline (carnelian, agate) and polycrystalline (jade) gemstones

  • How to use the polariscope as a "first alert" system when a natural gemstone has been replaced with glass, plastic, CZs, or synthetic spinels. (Very important when buying off the Internet!)

  • The science and theory behind gemstone identification including crystal systems, light refraction, and polarized light.

DON'T BE DISAPPOINTED! The polariscope does not identify a specific gemstone (e.g. topaz, aquamarine). There is NO single tool that can do that (not even a refractometer or specific gravity balance works for all gemstones). But this is the best place to begin!

Kit contents: One portable polariscope (polariscope, flashlight, pouch, batteries) one 11x9mm smoky quartz, one 8x6mm green fluorite, one 12x10mm carnelian cabochon, one 8x6mm red garnet, one 10x8mm garnet cabochon, one Iceland spar (colorless calcite crystal) and a 22 page full-color booklet.

Dimensions: 9 9/16" wide x 6 9/16" deep x 1 3/4" high (1 lb, 4 oz)

A Terra original: $64.99    Sold out




Already Have a polariscope? The Polariscope Activity Kit includes everything shown above except that you run all the tests on your own polariscope. Works with either bench model or portable polariscope.

Kit contents: one 11x9mm smoky quartz, one 8x6mm green fluorite, one 12x10mm carnelian cabochon, one 8x6mm red garnet, one 10x8mm garnet cabochon, one Iceland spar (colorless calcite crystal) and a 22 page full-color booklet.

Dimensions: 6 3/4" x 5" x 1" (2 ounces)

A Terra original: $24.99   


Want more practice?

Add Natural Zircon/Cubic Zirconia - These two 6mm round gemstones look alike. Use your polariscope to decide which is which.

$9.99    Sold out

Want more practice?

Add Hessonite garnet/Madeira citrine - These two 7x5mm oval gemstones look alike. Use your polariscope to decide which is which.

$14.99    Sold out

Terra Gift Stones is a division of:
Terra Enterprises
Tampa Bay area, Florida USA
(813) 643-5427
sales@Terra-Enterprises.com