Color it wonderful

Article Abstract:

Humans can distinguish colors through the interaction of the eyes and brain acted upon by external light stimuli. This ability plays a significant role in human existence. Perceptions of color vary because of heredity, fitness and age as well as the amount of light present to stimulate the eyes.

Physiological aspects, Visual perception, Color vision

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Color coordination

Article Abstract:

Colors may be used to determine the characteristics of a person. Various characteristics associated with certain colors are presented. The color of the gemstones, and thus the type, one chooses may be an indicator of personality.

Psychological aspects, Color, Jewelry

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Light still bending the rules

Article Abstract:

Many gemstones has similar colors and textures, making identification difficult. However, jewelers can accurately identify between gemstones by using refractometers which measure the differences in the refraction of light.

Analysis, Precious stones, Refractometers

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