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2. Stonesetting - Wikipedia

   en.wikipedia.org/wiki/Stonesetting

   A bezel set sapphire. The earliest known technique of attaching stones to jewelry was bezel setting. A bezel is a strip of metal bent into the shape and size of the stone and then soldered to the piece of jewelry. The stone is then inserted into the bezel, and the metal edge of the bezel pressed over the edge of the stone, holding it in place.

3. Spoonmaker's Diamond - Wikipedia

   en.wikipedia.org/wiki/Spoonmaker's_Diamond

   The Spoonmaker's Diamond (Turkish: Kaşıkçı Elması) is an 86 carat (17.2g) pear-shaped diamond in the Imperial Treasury exhibitions at the Topkapi Palace Museum in Istanbul, Turkey, and its most valuable single exhibit. It is considered the fourth largest diamond of its kind in the world. Set in silver, surrounded by a double row of 49 old ...

4. Lapidary - Wikipedia

   en.wikipedia.org/wiki/Lapidary

   Gemcutting in Thailand. Lapidary (from the Latin lapidarius) is the practice of shaping stone, minerals, or gemstones into decorative items such as cabochons, engraved gems (including cameos), and faceted designs. A person who practices lapidary is known as a lapidarist. A lapidarist uses the lapidary techniques of cutting, grinding, and ...

5. Diamond tool - Wikipedia

   en.wikipedia.org/wiki/Diamond_tool

   Diamond tool. A close-up of a segment of a diamond saw blade. A diamond tool is a cutting tool with diamond grains fixed on the functional parts of the tool via a bonding material or another method. As diamond is a superhard material, diamond tools have many advantages as compared with tools made with common abrasives such as corundum and ...

6. Medieval jewelry - Wikipedia

   en.wikipedia.org/wiki/Medieval_Jewelry

   Medieval jewelry. The Dunstable Swan Jewel, a livery badge in gold and ronde bosse enamel, about 1400. The Middle Ages was a period that spanned approximately 1000 years and is normally restricted to Europe and the Byzantine Empire. The material remains we have from that time, including jewelry, can vary greatly depending on the place and time ...

7. Cemented carbide - Wikipedia

   en.wikipedia.org/wiki/Cemented_carbide

   Mining and tunneling cutting tools are most often fitted with cemented carbide tips, the so-called "button bits". Artificial diamond can replace the cemented carbide buttons only when conditions are ideal, but as rock drilling is a tough job cemented carbide button bits remain the most used type throughout the world.