Great Price Collapsible Chelsea Jadeite Filter. Gemstone Identification Tool and Classic Gemological Instrument for Identifying Emerald. Buy Now!

Specifications

Filter diameter: 21 mm
Size: Folded 50x27 mm, Unfolded 90x27 mm
Main part: Made of metal, white
Case: Practical leather/imitation leather case
Other: On our blog, there is a very good instruction. Klicka följande länk Use Chelsea filter

• The Jadeite/Chelsea Filter is designed to only let through deep red and yellow-green light (best seen under bright electric light).
• Simply hold the filter close to your eye and look at the stones. Multiple stones can be seen at once. It is good for identifying some red, blue and green stones.
• The Jadeite/Chelsea Filter can also be used in jewelry, to distinguish genuine emerald from emerald-like simulants. It is also useful for checking aquamarine and sapphire.
• With the filter, emeralds usually appear distinctly red or pink, while most imitations remain green.
• In rare cases, some emeralds may not show any pink color at all. A synthetic emerald will react the same way as a real one.
• Rubies (both genuine and synthetic) appear brilliant red under the filter.
• Synthetic blue spinel appears yellow-orange or pink while aquamarine and sapphires appear green or greenish-gray.