Step 3: Practical Gemology
A gemologist can conduct many different tests with a polariscope. Gemstone twinning, dichroism, and internal crystal strain are some of the physical and optical characteristics that can be studied through this instrument.
A crystal doesn’t always form in a single step. If one of the required elements for a crystal’s growth is depleted, it will stop growing. When the proper mix of ingredients is present again, the …
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