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Sinotech Jadeite Filter Gemstone 15x-21mm Loupe Jf-15x Chelsea

Sinotech Jadeite (Chelsea) Filter Gemstone 15x-21mm Loupe Jf-15x: Home & Kitchen. Sinotech Jadeite (Chelsea) Filter Gemstone 15x-21mm Loupe Jf-15x: Home & Kitchen. Jadeite Filter 。 Description:JF5X。 Magnification: 5X。 Dimension: mm。 The triplet loupe consists of three lenses cemented close together. In the image on the right you see three lenses that make up a triplet loupe (other configurations are possible).。 Jadeite Filter: This 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 certain red, blue and green stones. Chelsea filters are primarily used for spotting fakes added to colored stone parcels and mixed in jewelry, and to 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, most notably from South Africa, may not show any pinkish color at all.。 A synthetic emerald will react the same as a genuine one.。 。 。 。

Sinotech Jadeite Filter Gemstone 15x-21mm Loupe Jf-15x Chelsea
Sinotech Jadeite Filter Gemstone 15x-21mm Loupe Jf-15x Chelsea
Sinotech Jadeite Filter Gemstone 15x-21mm Loupe Jf-15x Chelsea
Sinotech Jadeite Filter Gemstone 15x-21mm Loupe Jf-15x Chelsea