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Chelsea Filter For Gem, Emerald, Tools Identification

Posted at: Offers to Sell and Export | Posted on: Mon 21 Jun, 2010 7:43 am |
chelsea filter gem emerald tools identification
Products Photos CatalogChelsea Filter Gem Photos Catalog

This Chelsea Filter is designed to transmit only deep red and yellow-green light ( best obtained under

strong electric light) . Just hold the filter close to your eye and look at the stones. Multiple stones can be viewed at once. It is helpful with identifying a few red gems and certain blue and green stones. Chelsea Filter can filter out mixed-in jewelry and differentiate emerald from emerald look alikes. It is also useful for checking aquamarine and sapphires.

With the filter, emeralds usually appear distinctly red or pinkish in color, while most imitations remain green. In rare cases certain emeralds, mostnotably from South Africa, may not show any pinkish color at all. A synthetic emerald will react the same as a genuine one.

Rubies ( both genuine and synthetic) appear brilliant red under the filter. Synthetic blue spinel appear yellow-orange or pink while aquamarine and sapphires appear green or green-grey

This Chelsea color filter has a glass filter. This gives better clarity, reduces distortion and provides better protection from humidity.

The Chelsea Filter is a combination of two gelatin filters that transmit only deep red and yellow/ green light. As Emeralds transmit light in the deep red spectrum but absorb light in the yellow/ green spectrum, this combination is the most practical. It is a useful tool to distinglish natural emerald and natural green beryl, as well as most green and blue gems..

Whether you’ re a professional jeweler or a naturally curious person, use CLMG-7300 identification filter to find out the true nature of gems!

Buy Now!


* Accurately distinguish the real nature of the gems in an instant

* Supplied with leather pouch case

* Approved by strict quality and safety standards for long and trouble-free life

* Guaranteed high quality and accurate testing results

* Brand new and unused


* Filter Diameter: 20mm

* Filter material: glass

* Body : Made of metal

Accessory included:

* FREE Leather Carry Case

Warranty: 2 years warranty

Company Contact:

No member photo
Contact Name: Gary Tong
Company Name: Gain Express Holdings Ltd.
Email: Email
Tel: +852 2362-7800
Fax: +852 2362-7838
Street Address: Flat A, 10/F Yuey
Kong Centre, 45-47 Bulkeley Street
Hunghom, Kowloon, Hong Kong
Website: http://www.gainexpress.com
Member name: GainExpressHoldingsLtd
Country: Hong Kong-HK Hong Kong
Member Since: 18 June 2010
Total Leads: 118 GainExpressHoldingsLtd Import Export Business Leads
Business focus: Refractometer, Loupe, Diamond, Moissanite Identification, Meters, Testers
Verify: Safe Import Export Tips

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