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A polariscope shows a stone's optic character: whether it is singly or doubly refractive, and whether it shows strain. That quickly separates many gem species and flags glass and some synthetics.
The dual white and yellow LED base gives flexibility: white for general optic-character work and yellow to aid observation on certain stones, useful in teaching and lab settings.
Yes. It is one of the simplest gemological instruments to learn: place the stone between the polarising filters, rotate it, and observe the light behaviour.
Yes. We ship worldwide from Bangkok, Thailand.
