2021-8-30 · Tourmaline naturally forms in long crystals with a triangular cross section and rounded sides. Since gem cutters strive to preserve as much of the rough stone as possible, you will often see tourmaline cut into long bars, octagons or baguettes. Additionally, a lot of tourmaline has interesting color variations in these long crystals and this type of shape and cut tends to preserve and showcase ...
2021-8-9 · The Portuguese cut thus exhibits an extra row of facets on the crown, and this unique style enhances the brilliance of the gemstone. The Portuguese cut is one of the most popular fancy cuts in the market and you''ll find many varieties of gems cut in this style. You''ll notice in the image below how Portuguese-cut stones have a smaller table due ...
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