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Manufacturing / Matter / Brilliant / Girdle / Facet / Hearts and arrows / Diamond cut / Diamond / Gemstones / Chemistry


The Effects of Indexed Upper Half Facets Peter Yantzer, CG American Gem Society Laboratories Gemstone cutters can tilt or ‘index’ the upper half ( or upper girdle ) facets. This indexing produces different amounts of
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Document Date: 2007-04-15 19:36:50


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