Cabochon - Wikipedia, the free encyclopedia
A cabochon or cabachon , from the Middle French caboche (head), is a gemstone which has been shaped and polished as opposed to faceted. The resulting form is usually a convex top with a flat bot...
en.wikipedia.org/wiki/Cabochon
Learn how gemstone cabochons, also call referred to as cabs, are formed and cut. ... Forty five minutes into the class, I had cut my first cabochon. I turned to my husband and asked, "How much does one of these cab machines cost?"
jewelrymaking.about.com/od/aboutmetalandstones/ss/09280... jewelrymaking.about.com/od/aboutmetalandstones/ss/092808.htm
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www.gggems.com/cabochon.htm www.gggems.com/cabochon.htm · Cached
In this section we will describe how to cut an oval cabochon. This is the most common shape for cabs and the other shapes just require a minor adjustment of technique. ... Most cutting begins with a slab. Yes, that means you will need a saw.
www.gemsociety.org/info/lap23.htm
The intricacies of the craft involve considerably more.  Before you even start cutting, you must saw the rough mineral specimens into flat slabs to a thickness which usually runs 1/4"-1/2".   Then the lapidary will carefully inspect the exposed surface of the cab shape so as to  cut for maximum use of texture,
www.gemsociety.org/info/gemlore/gl_03.html · Cached
Cabochons, also known as "cabs" , are gemstones that have been shaped and polished to give a smoothly curved domed surface on the top. The cabochon cut is very old: all gemstones cut prior to about 1000 C.E. were either carved (for uses such as figurines, cameos or seals) or cabochon cut.
jdsgems.com/cabochons.htm jdsgems.com/cabochons.htm
The forms given to precious stones by the type of cut, the general types being the cabochon, the old rose, the brilliant, and the step cutting ... Cabochon cut stones usually have a flat base, but sometimes a slightly convex base is used, especially in opals and in moonstones, and some stones of very dense color are cut with...
www.jjkent.com/articles/types-gem-cutting.htm www.jjkent.com/articles/types-gem-cutting.htm
A slab saw, typically 16 to 24 inches in diameter, is used to cut stones of several inches thickness into relatively thin slabs (often 1/8 to 3/8 inch thick). ... One of the simplest lapidary forms is the cabochon, a stone that is smoothly rounded and polished on top, relatively flattish, and either flat or slightly rounded...
www.tradeshop.com/gems/howcut.html www.tradeshop.com/gems/howcut.html · Cached
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