This apatite crystal displays a pleochroic effect, meaning when viewed in front of a polarised light source (such as a computer screen) it changes colour from yellow to blue, depending on the angle at which it is viewed. This specimen was sourced from Russia.
This apatite crystal displays a pleochroic effect, meaning when viewed in front of a polarised light source (such as a computer screen) it changes colour from yellow to blue, depending on the angle at which it is viewed. This specimen was sourced from Russia.
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