Binocular Jewelry Appraisal Compound Optical Microscope For Gem 7.5X-50X The microscope has always been an important instrument for gem identification...
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... easy use simple 20X FEATURES This high quality is designed for professional jewelers and ologists. It includes a s...
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...
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... needs of all kinds of diamonds, crystals, and other jewelries. Using 1:6.7 zoom optical system,0.67X-4.5X zoom lens,magnification setting mee...
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HD 2MP Digital LCD with 4.3 inch Screen Monitor 150x Magnification PRODUCT DESCRIPTION Quick Details DM041 is the polarizer type LCD di...
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... created by a meterorite that fell to Earth and later the eventually bear his name in Arizona . Research shows the is composed of silicon c...
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... of light blasting: is the use of laser instantaneous emitted high energy, so that the pigment particles to absorb energy after the expansion of th...
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