First introductory video by steve moriarty showing you how to precision facet a gemstone. Thus this will create the required shape and will enable a slower cutting process.
Place the gemstone on the diamond cutting lap once the gemstone has completely bonded with the dop stick and wax.
How to cut a gemstone from rough. Using this scrape across the entire surface of the gemstone. This is the backside of the piece of rough. Learn how to deal with internal and external problems in gemstones a faceter s guide to rough gem stress.
Dry it with a soft dry jewelry cloth to remove any excess water. Only a very small portion of this stone can be recovered by faceting. Add about half a cup of the ammonia based cleaner into a bowl of warm water.
Place the precious gem stone into it and let it soak for a few hours. The pieces will fall from the stone effortlessly and with minimal effort. The minimum cutting technique will help you get the largest gems possible from rough.
Be extra careful around the rough edges. Now change the lap from 260 grip lap to 600 grit lap. Faceting rough aquamarine the long pointed end on the left of this will waste as will the thinly flattened end on the right.
Remove the gem from the bowl and if necessary use a soft brush to clean the stone further. Keep grinding firmly until the facets and the table both look polished. This picture highlights an inclusion that is the yellowish spot in the middle of the gemstone.
Grind the outlines of the stone to shape the girdle. Don t lock the index wheel on the machine so you can move it freely and have more control over cutting. Use a 1200 lap disc on your faceting machine to cut the circumference girdle of the gem.
Note the shape of the gemstone is almost preformed into an oval shape. Fasten the nippers around the area you d like to remove and squeeze the tool. Set the angle to 90 degrees so you can make symmetrical cuts.
After the facets are polished cut a pavilion using the dremel. A grinding wheel is a tool used for cutting curves into rough stones. This is a quick video tutorial on how to cut and polish a low hardness gemstone in this case fluorite using materials that you can find around the home an.
Nippers are vital aids when cutting fractured gemstones as you can finely cut curved lines along small gems. The first step in the gemstone cutting process will be to preform the rough rhodolite into a shape before it is faceted.
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