How do you facet a gemstone?
Faceting methodology consists of mounting a gem crystal on a metal dowel, (dopstick), which fits into a quill, then rigidly addressing the Height-Angle-Index triangle with the faceting machine, and touching the locked-in-place crystal to abrasive laps in two sequential operations, faceting first the top (called the “ …
How do you shave down a gemstone?
To cut hard gems, use a faceting machine to grind them into the shape you want. If the gems are softer, like pearl or amber, you can use sandpaper and water to shape the gem. When picking a shape for your gemstone, choose one that’s similar to the current shape of the stone so you don’t waste a lot of it.
How do you reshape a gemstone?
Grinding, usually with silicon carbide wheels or diamond-impregnated wheels, is used to shape gemstones to a desired rough form, called a preform. As with sawing, a coolant/lubricant (water or oil) is used to remove debris and prevent overheating.
What is the process of faceting?
The process of cutting fine rough into a scintillating finished gemstone is called faceting. This is a very skilled process where a cutter places a number of carefully placed facets (or faces) onto the table and pavilion of a gemstone.
How do you cut gemstones with a faceting machine?
Then, attach the gem to a dop stick and insert it in the faceting machine. (See “The Minimum Cutting Technique” and “Dopping Techniques” for more information). The dop is free to swing side-to-side during cutting and can be lifted for inspection.
What is gemstone faceting?
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How do I get uniform facets on my gemstones?
Learning to use consistent pressure is the key to getting uniform facets. Before polishing, remove the pre-polish lap. To avoid contamination, thoroughly clean your hands, the gem (especially the area where it attaches to the dop), and the machine. Put your polishing lap on the machine.
How do I Clean my faceted gemstones?
Learning to use consistent pressure is the key to getting uniform facets. Before polishing, remove the pre-polish lap. To avoid contamination, thoroughly clean your hands, the gem (especially the area where it attaches to the dop), and the machine.