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A basic study for color identification of amethyst by spectrophotometer

  • Journal of the Korean Crystal Growth and Crystal Technology
  • Abbr : J. Korean Cryst. Growth Cryst. Technol.
  • 2008, 18(4), pp.146-154
  • Publisher : The Korea Association Of Crystal Growth, Inc.
  • Research Area : Engineering > Materials Science and Engineering

Song Young Jun 1 윤시내 2 YON SEOG JOO 2

1강원대학교
2동신대학교

Accredited

ABSTRACT

This study was carried out for the purpose of obtaining the basic data for color identification of amethyst by spectrophotometer. For this, the eleven amethyst stone and one citrine stone from eight countries were prepared in facet cut or plate. The transmittance and reflection of this samples were investigated as a function of wavelength. The transmittance or reflection was transformed to tristimulus value (X, Y, Z) and chromaticity value (x, y, z) and then compared with the results of eye observation which was plotted on CIE xyY color space. Finally, the influence of the amethyst's thickness on transmittance or reflection was investigated.

Citation status

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