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In addition, beads can be fused from sheet glass or using ground glass. Modern Ghana has an industry in beads molded from powdered glass. Also in Africa, Kiffa beads are made in Mauritania, historically by women, using powdered glass that the bead maker usually grinds from commercially available glass seed beads and recycled glass.
Guitar slide made of borosilicate glass. Borosilicate glass is a type of glass with silica and boron trioxide as the main glass-forming constituents. Borosilicate glasses are known for having very low coefficients of thermal expansion (≈3 × 10 −6 K −1 at 20 °C), making them more resistant to thermal shock than any other common glass.
Magatama dating from Jōmon period to 8th century [citation needed] Magatama from Kofun period（Tokyo National Museum）. Magatama (勾玉, less frequently 曲玉) are curved, comma-shaped beads that appeared in prehistoric Japan from the Final Jōmon period through the Kofun period, approximately 1000 BCE to the 6th century CE. [1]
Made of toughened borosilicate glass with a hypoallergenic and ... these anal beads are especially great ... Bobbi Brown Shares Her Top Face-Transforming Makeup Tips for Women Over 50. Show comments.
Waist beads actually originated in ancient Egypt, where they were known as girdles.Egyptians wore them around their waist or lower abdomen. [2] [3] Girdles were symbols of status and were made of chains, wire, thread, and shells, and often featured multiple colors [4] Modern-day people from many African cultures wear waist beads, including Ghanaians, Senegalese, Igbos, Yorubas, Ewes, Ashantis ...
The glass is heated until molten and wound around a specially coated steel mandrel, forming the base bead. The coating is an anti-fluxing bead release agent that will allow the bead to be easily removed from the mandrel, either a clay-based substance or boron nitride. It can then be embellished or decorated using a variety of techniques and ...
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