Chelsea Colour Filter

Name: Gemmology Rocks Chelsea Colour Filter - Chelsea Colour Filter
Brand: Gemmology Rocks
SKU: 57962558783862
Price: 32.0 USD
Availability: InStock

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Black

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Description

The Chelsea colour filter (CCF) is a tool used in gemmology. It transmits only deep red and yellow-green light. The result is, some similarly coloured gems can look very different through the filter. For example syntehtic blue spinel colo...