{"product_id":"chelsea-filter","title":"Chelsea Filter","description":"\u003cp\u003eThe Chelsea Filter is a specialized gemological tool designed for authenticating and distinguishing between real and synthetic gemstones such as emeralds, aquamarines and sapphires. This filter allows only deep red and yellow-green light to pass through, making it ideal for identifying certain colored stones and detecting dyes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMain advantages:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDifferentiation between genuine and imitation gemstones:\u003c\/strong\u003e It allows the identification of emeralds and their imitations, with genuine emeralds usually showing a red or pink color, while most imitations remain green.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDye detection:\u003c\/strong\u003e Effectively detects dyes in some gemstones such as dyed green and blue chalcedony.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUsability for multiple stones at once:\u003c\/strong\u003e The filter can be used to evaluate several stones simultaneously, which increases efficiency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eUse:\u003c\/strong\u003e The filter is intended for gemologists, jewelers and collectors for use in mixed batches of stones and jewelry where it is necessary to distinguish genuine gems from imitations and detect the presence of dyes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLimitations:\u003c\/strong\u003e Some emeralds, especially those from South Africa, may not show the expected pink color, which may require additional tests to confirm authenticity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTest results:\u003c\/strong\u003e The filter demonstrated high efficiency in distinguishing between genuine and imitation emeralds and was effective in detecting dyes in gemstones.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eName:\u003c\/strong\u003e Chelsea Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDetection:\u003c\/strong\u003e Certain green, red and blue stones\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 50.7 x 10.3 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Leather box and white packaging box\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eHistory of the brand:\u003c\/strong\u003e Arete.Tools is a renowned manufacturer of gemological tools, known for its emphasis on quality and innovation. The Chelsea Filter is part of a wider range of products designed for mobile gemological laboratories and travel kits, reflecting the company's commitment to providing gemologists with advanced tools.\u003c\/p\u003e","brand":"Arete Tools","offers":[{"title":"Default Title","offer_id":48068471816524,"sku":"AT1095","price":41.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0771\/6981\/9980\/files\/165.jpg?v=1714333938","url":"https:\/\/arete.tools\/en-eu\/products\/chelsea-filter-en","provider":"Arete Tools","version":"1.0","type":"link"}