Gemstone lamination aquamarine and amethyst. This class introduces the theory and techniques of faceting gemstones. In this tutorial these procedures are explained as well as a brief description of a faceting machine and a diagram. Obviously traditional faceting is a two step process. Faceting purple gold in this tutorial i show faceted purple gold which i combined with a gem to create a composite stone.
Students will gain sufficient knowledge and techniques to continue faceting on their own. Each facet is cut by grinding a rough stone on a flat round file called a lap. Red flags such as windowed or fish eye gemstones crooked girdles scratchy poor polish and facets that don t meet are pointed out and explained. Gem faceting optical effect experiment. A while ago a buddy of mine who is a land surveyor had theodolite reflector that was bust.
First introductory video by steve moriarty showing you how to precision facet a gemstone. The lap turns around horizontally in a faceting machine. Set the index to your first setting which is 2. Your gemstone faceting machine will have an opening in the splashguard or a means to hold it out of the way while cutting the girdle. During the course students will facet one or two gemstones with material and equipment provided by the columbia willamette faceters guild.
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Faceting methodology consists of a cutting appropriate angles on the top and bottom of a gem crystal because b the faceting machine forms a right triangle that controls the stone s angle on the abrasive disk and 3 a faceter to hold the stone against the turning lap wheel and monitor progress in cutting the crown i e the top of the gem and the pavilion i e the bottom of the gem. Usually water oil or wd40 is used on the lap as a coolant lubricant. This video tutorial is a guide to distinguishing between good and bad gemstone faceting. These tutorials show how to carve gemstones and techniques used in gem cutting. This is a short tutorial made by gemstone artist john dyer explaining the difference between good faceting and bad gem cutting.Now carefully lower the gem until it just touches the lap. This puts the gem parallel to the lap. Now carefully lower the gem until it just touches the lap. Faceting methodology consists of a cutting appropriate angles on the top and bottom of a gem crystal because b the faceting machine forms a right triangle that controls the stone s angle on the abrasive disk and 3 a faceter to hold the stone against the turning lap wheel and monitor progress in cutting the crown i e the top of the gem and the pavilion i e the bottom of the gem. First introductory video by steve moriarty showing you how to precision facet a gemstone.
This puts the gem parallel to the lap. Students will gain sufficient knowledge and techniques to continue faceting on their own. Gemstone lamination aquamarine and amethyst.
