Portable calcite dichroscope

A pocket calcite dichroscope to observe colored gemstones pleochroism and to identify gems optical axis. Allows to see gemstones pleochroic colors. Perfect for examining rough gemstones and to assess their identification and color before cutting and polishing them. Using this handy tool, you can easily distinguish anisotropic gems such as rubies from isotropic gems, such as garnets or red spinels. This pocket spectroscope is lightweight and durable.

• used to see the gemstones pleochroism
• metal body
• fits in a pocket
• perfect for on field analysis