Colorimetry of Colored Gem Stones : Comparative Study Colorimeter with the Visual Color Sensation of Gem Stones

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  • カラーストーンの測色 : 人間の色知覚と機械測色の比較
  • カラー ストーン ノ ソクショク ニンゲン ノ シキチカク ト キカイ ソクショク ノ ヒカク

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On color of gemstone, Sensitive colors and insensitive colors exist in visual sensitives to color difference. the green and light color of yellow, orange, pink, blue, violet belong to sensitive colors, while dark color of red, blue, bluish violet are classified into insensitive colors. These results indicate that general color sensation fit in with color of gemstones. Though faceted gemstones displayed several colors in own complex appearance many facets show bright colors to shadow colors, detail color sensation is analyzed by the visual test to three color difference. The result suggest that the human color sensation recognized a medium bright volume color as a gemstone color.

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