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https://www.gia.edu/gem-treatment
– a chemical used to alter / reduce a component of, or the entire color, of a porous gem. Some gemstones are bleached and then dyed, a form of “combination treatment.” 1. The most commonly encountered bleached gems include: Jadeite jade – Jadeite is often …
https://4cs.gia.edu/en-us/diamond-treatment/
Fracture filling hides white fractures in a diamond called “feathers.” A glass-like substance is injected into the fracture to make it less visible and to improve the stone’s apparent clarity. Because the filling may be damaged or removed during routine cleaning and repair, the …
https://www.bentglassdesign.com/a-brief-explanation-of-chemically-strengthened-glass/
Sep 23, 2016 · The chemical process in question is called an ion-exchange reaction. During this process, glass is submerged in a bath of potassium salt or potassium nitrate at 300 degrees Celsius. The bath isn’t hot enough to melt the glass, but the relatively high temperature allows the potassium nitrate …Reviews: 2
https://dtsc.ca.gov/toxics-in-products/
Find out what consumers and retailers should know about the Cadmium in Children’s Jewelry Law and the Lead in Jewelry Law. Lead and Arsenic in Glass Beads. Some glass beads have been found to contain toxic metals like lead and arsenic. This is a concern because the beads are typically pulverized during use (sandblasting) and generate dust.
https://4cs.gia.edu/en-us/blog/diamond-treatments-mean/
Feb 24, 2014 · Infusing molten leaded glass-like substance into a diamond’s fractures – is the most common diamond treatment used to enhance clarity. Fracture filling of surface reaching breaks can effectively disguise these features. It might also benefit a customer who accidentally cracks a diamond.Estimated Reading Time: 5 mins
https://www.labdepotinc.com/c-21-laboratory-glassware
Our borosilicate glass has a low coefficient of expansion, for resistance to heat, and a very high resistance to chemical attack. We carry a variety of graduated glassware items that are calibrated to meet either Class A or Class B tolerances for use when accuracy is demanded. Explore all Jointed Glassware options, like glass adapters, baffles ...
https://www.gemsociety.org/article/gemstone-treatment-and-enhancement/
Diamonds, rubies, and sapphires can be filled with lead glass to improve their clarity. Some gems that combine natural with synthetic material may also be called “hybrid gems.” This 9k gold ring features a “composite” ruby, filled with lead glass. Photo courtesy of liveauctioneers.com and Bertolami Fine Art.
https://en.wikipedia.org/wiki/Chemically_strengthened_glass
The glass is chemically strengthened by a surface finishing process. Glass is submersed in a bath containing a potassium salt (typically potassium nitrate) at 300 °C (572 °F). This causes sodium ions in the glass surface to be replaced by potassium ions from the bath solution.
Crystal Fusion™ does not contain wax-based chemicals which cause yellowing, streaking and uneven windshield wiper blade wear. The Crystal Fusion™ process molecularly bonds to the glass, creating an ultra-hydrophobic surface. The treated windshield micro-beads water and protects against the elements.
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