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19.85 CT RARE TOP FIRE NATURAL COLOR CHANGE FLOURITE

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9 months ago by gemluster

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S$290

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Product Details Gem Type : Flourite Weight : 19.85 Cts Size : 14 x 18.9 x 8.2 mm Shape : Oval Clarity : VVS Color : Blue To Purple Red Origin : Brazil Description: A color change gemstone that is not often seen is fluorite. Fluorite is known for its wide variety of colors, the most common of which is purple. Some fluorite colors are almost never seen, such as colorless fluorite and blue fluorite. Such uncommon fluorite colors are treasured by gemstone and mineral collectors. Indeed, a color that is not as often seen in fluorite is blue, making blue color change fluorite gems even rarer. These phenomenal gems are mostly sourced from Brazil Fluorite can make for beautiful jewelry, especially when worn in pendants or earrings since these are not exposed to as much wear and tear. Since most color change fluorite is faceted, and often with unique faceting techniques, it is certainly known to produce some of the most stunning jewelry designs seen today. Color change is also referred to as "the alexandrite effect", due to the extremely rare color change variety of chrysoberyl, which exhibits a pronounced change of color when the lighting is changed. Color change in gems is caused by two variables; the type of lighting and visible absorption spectra. Color change gems tend to have two main transmission windows (usually to do with trace elements which impart certain colors), and under one type of lighting, one transmission window absorbs certain wavelengths of light. When the lighting is changed, the other transmission window absorbs other wavelengths of light. To explain this a little more simply, transmission is the movement of light through a material.

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