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A cabochon (/ ˈ k æ b u ʃ ɒ n /; from Middle French caboche 'head') is a gemstone that has been shaped and polished, as opposed to faceted. The resulting form is usually a convex (rounded) obverse with a flat reverse. [1] Cabochon was the default method of preparing gemstones before gemstone cutting developed. [2]
Just as the angle of the sides of a cabochon creates the pressure to hold the stone in place, so there is an overlying principle in setting faceted stones. If one looks at a side view of a round diamond, for example, one will see that there is an outer edge, called the girdle, and the top angles up from there, and the bottom angles down from ...
A 17th century English lapidary text. The etymological root of the word lapidary is the Latin word lapis, meaning "stone". [6] In the 14th century, the term evolved from lapidarius, meaning 'stonecutter' or 'working with stone', into the Old French word lapidaire, meaning 'one skilled in working with precious stones'.
A diamond cut is a style or design guide used when shaping a diamond for polishing such as the brilliant cut.Cut refers to shape (pear, oval), and also the symmetry, proportioning and polish of a diamond.
In one of his first acts after returning to the Oval Office this week, President Trump tasked federal agencies with developing ways to potentially ease prices for U.S. consumers.
The Hudson-Sharp Machine Company is involved in the design and manufacture of plastic bag making machinery, pouch making equipment, and reclosable packaging solutions. [buzzword] With manufacturing and sales throughout the world, Hudson-Sharp has been in business for over 100 years. A partial list of product categories include:
Nicole Kidman made a vow in 2017 to work with a woman director every 18 months. To say she has made good on that promise would be an understatement. The Oscar winner has teamed up with a women ...
Wanesia Spry Misquadace (Fond du Lac Ojibwe), jeweler and birch bark biter, 2011 [1]Native American jewelry refers to items of personal adornment, whether for personal use, sale or as art; examples of which include necklaces, earrings, bracelets, rings and pins, as well as ketohs, wampum, and labrets, made by one of the Indigenous peoples of the United States.
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