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2:35
YouTube
what the gem
Gem Testing Tutorial: how to use the Polariscope and see the gem's optic character
Fast, simple, and a little bit magical. The polariscope shows you in seconds if a gem is isotropic, anisotropic, or polycrystalline. I’ll demonstrate the classic blinking pattern, the odd cases like ADR and tabby extinction, and how this test sets you up for everything else. I’m Nick, trained in colored gem identification at SSEF in ...
2 views
3 months ago
Spectroscope Experiment
Rainbow Science for Kids: Homemade Spectroscope
buggyandbuddy.com
Sep 2, 2017
Experiment #Calibration of a Student Spectrophotometer Chemist... | Filo
askfilo.com
10 months ago
Spectroscope Rainbow Science Experiment for Kids
steampoweredfamily.com
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