{"product_id":"gemologypro-d1-calcite-dichroscope-c-2008","title":"GemologyPro D1 Calcite Dichroscope (c. 2008)","description":"\u003cdiv class=\"n6owBd awi2gc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-hveid=\"CAAICBAA\" data-complete=\"true\" data-processed=\"true\"\u003eThe \u003cspan class=\"rQesXe MPyX\"\u003eGemologyPro D1 Calcite Dichroscope\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e is a contemporary, professional-grade field testing instrument manufactured under the \u003cspan class=\"rQesXe MPyX\"\u003eProfessional Gem Tools, Inc.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e imprint. Officially introduced to the global gemstone trading market in \u003cspan class=\"rQesXe MPyX\"\u003e2008\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e, the device was designed to provide traveling dealers, rough-stone buyers, and independent appraisers with a robust, highly portable diagnostic tool. Debuting at a highly competitive retail price point of approximately \u003cspan class=\"rQesXe MPyX\"\u003e$65.00 to $85.00 USD\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e, the GemologyPro series was developed to bring lab-grade precision directly to field trading environments like the rough gemstone markets of East Africa and Southeast Asia, rapidly establishing itself as a modern staple inside commercial travel testing kits.\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"yhAwj\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\" data-processed=\"true\" data-sfc-inited=\"2\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e\n\u003cdiv class=\"ZLzG0d ncoeY E8xBUb\" role=\"heading\" aria-level=\"4\" data-animation-nesting=\"\" data-sfc-cp=\"\" data-wiz-attrbind=\"aria-level=EcYUyb_x\/fLk2Md\" data-sfc-root=\"c\" data-hveid=\"CAAICRAA\" data-complete=\"true\" data-processed=\"true\" data-sae=\"\"\u003e\n\u003cbr\u003e\u003c!--TgQPHd|||[[2,[null,null,1,null,null,null,null,null,null,null,null,null,[351768,null,0]],[],null,1]]--\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ZLzG0d ncoeY E8xBUb\" role=\"heading\" aria-level=\"4\" data-animation-nesting=\"\" data-sfc-cp=\"\" data-wiz-attrbind=\"aria-level=EcYUyb_x\/fLk2Md\" data-sfc-root=\"c\" data-hveid=\"CAAICRAA\" data-complete=\"true\" data-processed=\"true\" data-sae=\"\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"n6owBd awi2gc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-hveid=\"CAAIChAA\" data-complete=\"true\" data-processed=\"true\"\u003eAt its operational core, this artifact is a completely passive optical instrument requiring no batteries or external electrical power, operating purely via ambient light or a standard gemstone torch passed through the specimen. The instrument utilizes an internal, optical-grade \u003cspan class=\"rQesXe MPyX\"\u003eIceland spar (calcite) rhomboid crystal\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e to evaluate transmitted light waves. When light enters the aperture, the extreme birefringence of the natural calcite crystal splits the beam into two separate paths polarized at right angles to one another. The primary diagnostic advantage of this optical setup is its ability to project a perfectly divided, twin viewing window to the eye. By displaying these distinct vibration directions simultaneously, the instrument allows gemologists to easily spot contrasting pleochroic colors in doubly refractive stones or instantly differentiate them from single-refractive look-alikes like spinels, garnets, or glass simulants.\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"yhAwj\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\" data-processed=\"true\" data-sfc-inited=\"2\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e\n\u003cdiv class=\"ZLzG0d ncoeY E8xBUb\" role=\"heading\" aria-level=\"4\" data-animation-nesting=\"\" data-sfc-cp=\"\" data-wiz-attrbind=\"aria-level=EcYUyb_11\/fLk2Md\" data-sfc-root=\"c\" data-hveid=\"CAAICxAA\" data-complete=\"true\" data-processed=\"true\" data-sae=\"\"\u003e\n\u003cbr\u003e\u003c!--TgQPHd|||[[2,[null,null,1,null,null,null,null,null,null,null,null,null,[351768,null,0]],[],null,1]]--\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ZLzG0d ncoeY E8xBUb\" role=\"heading\" aria-level=\"4\" data-animation-nesting=\"\" data-sfc-cp=\"\" data-wiz-attrbind=\"aria-level=EcYUyb_11\/fLk2Md\" data-sfc-root=\"c\" data-hveid=\"CAAICxAA\" data-complete=\"true\" data-processed=\"true\" data-sae=\"\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"n6owBd awi2gc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-hveid=\"CAAIDBAA\" data-complete=\"true\" data-processed=\"true\" aria-owns=\"action-menu-parent-container\"\u003eThe physical architecture of the GemologyPro D1 highlights a definitive shift toward modern, heavy-duty utility and field ergonomics compared to older mid-century brass instruments. Precision-machined from a solid, high-grade aluminum alloy, the body features a sleek, matte-black anodized finish engineered to prevent internal light scattering and maximize optical contrast. A primary structural upgrade of the D1 model is the incorporation of an \u003cspan class=\"rQesXe MPyX\"\u003einternal magnification system featuring a 10x optical loupe\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e, which provides a highly detailed, clear image of the gemstone being inspected rather than just two isolated colored blocks. Coupled with a specialized \u003cspan class=\"rQesXe MPyX\"\u003eflanged flare design at the viewing objective\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e that acts as an ergonomic shield against ambient glare, this factory-calibrated, ultra-compact design completely shields the internal calcite optics, delivering sharp, distortion-free alignment during field evaluations.\u003c\/div\u003e","brand":"Gems.studio","offers":[{"title":"Default Title","offer_id":68057748275520,"sku":null,"price":0.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/0397\/2672\/files\/GemProDichroscope_1.avif?v=1794109983","url":"https:\/\/gems.studio\/products\/gemologypro-d1-calcite-dichroscope-c-2008","provider":"Gems.studio","version":"1.0","type":"link"}