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The turquoise and other stones used in all three techniques are called cabochons. Cabochon is a jeweler’s word for a stone that is polished instead of faceted. A faceted stone, such as a diamond, is called a gemstone. Cabochons are small polished stones and are the basis for petit point, snake eye and needle point Zuni work.
Silver work began to be seen in Native America during the mid 1800’s. It was introduced by artists from Mexico, as well as neighboring tribes who had taught themselves and shared their skills. The tools used during this time were not capable of creating the finely intricate patterns seen in later years, so much of the Native American jewelry in the 1800’s was centered on a polished stone with silver work being forced to accommodate the natural shape of the stone.
In the mid-1900s, most likely the 1930’s or 1940’s, better hand tools, as well as electric tools began to be used by the Native American jewelers. These tools allowed for a much greater level of precision when working with stones and allowed the jewelers to make the stones fit into their designs, instead of the artists’ vision being forced to use the stones natural shape.
With the new skills and new tools, the petit point technique began to be seen in Native American jewelry. The petit point technique creates a small cabochon with one end rounded and the opposite end carved and polished to a point. It could be described as looking like a tear drop. The finely crafted cabochon is then placed in a setting, typically sterling silver. The petit point cabochons lend themselves to round designs such as the classic cluster bracelets.
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Needle point cabochons are set in a vertical setting. When viewed from above, each small pointed stone appears to be a small sliver of polished work. Each stone looks to be a turquoise needle that has been placed into a sterling silver setting; and thus the name needle point has been given to this technique.
Because of the difficulty in crafting needle point cabochons, certain mines of turquoise are more popular to be used. These include sleeping beauty, lone mountain, and spider web.
Be sure to take a look at some more examples of these techniques in our store, Turquoise Canyon; http://www.turquoisecanyon.com/