Chelsea Color Filter – Precise Tool for Gemstone Identification

The Chelsea Color Filter is a specialized inspection tool designed for the quick and reliable analysis of colored gemstones. Its dichromatic filter glass reveals characteristic color reactions that can be crucial when distinguishing natural stones from synthetics and imitations. Especially with green, yellow-green, red, and blue gemstones, the filter provides valuable visual clues and supports both professionals and dedicated collectors in evaluating single stones as well as gemstone lots.

Features:
• Dichromatic filter glass for analyzing colored gemstones
• Reveals typical color shifts in the green, yellow-green, red, and blue spectrum
• Ideal for distinguishing natural stones, synthetics, and imitations
• Useful for quick assessment of gemstone lots
• Compact and lightweight – perfect for laboratory use, trade, and mobile inspections
• Easy to use, suitable even for beginners

Technical Specifications:
• Filter lens: Ø 20 mm
• Dimensions: 55 × 33 × 22 mm
• Weight: 18 g

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