Chelsea Filter CF100
45,00 €
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Available from stock
Dichromatic color filter for assessing cut and uncut green, yellow-green, red and blue stones based on color changes
Availability: In stock
Description
Chelsea filter
This color filter allows observations in the green, yellow-green, red and blue wavelength range. Looking through the filter makes some stones appear in a different color and helps to differentiate between precious and gemstones. These filters are also a valuable tool in the assessment of gemstone lots.
Technical details:
■ Filter glass: Ø 19 mm
■ Dimensions (L×W): 95 mm x 35 mm
■ Weight: approx. 16 g
Practical examples of the application of color filters can be found, for example, in the article: Detecting counterfeits with color filters.
More information on the examination method with the Chelsea filter or with the Rubin filter can be found in the color filter method article.
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