What is a Dichroscope?
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- เผยแพร่เมื่อ 29 ก.ย. 2024
- Learn what a dichroscope is and how to use it in this informative and visual guide provided by JTV. Discover the beauty of pleochroism-- the sight of two or more colors appearing from a gem through the lens of a calcite or london dichroscope. Learn more at www.gemstones....