"Kozibe", Fisheye and Nail Head* Effects
	Figure 1. "Kozibe", FishEye, Nail Head and Light Return plots for Dp=53%. * The Nail Head Effect was computed for the next parameters : Head Diameter = 15 cm, View Distance = 40 cm.

	Figure 2. "Kozibe", FishEye, Nail Head and Light Return plots for Dp=60%. * The Nail Head Effect was computed for the next parameters : Head Diameter = 15 cm, View Distance = 40 cm.
	The authors of the project: Sergey Sivovolenko, OctoNus Software, model and calculations Yurii Shelementiev, Gemology center of MSU, gemology

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