When most people talk about bringing out the "crystal," they are often referring to a type of glass that is made from silica, lead oxide, soda or potash, and other additives. Lead crystal is prized....
When most people talk about bringing out the "crystal," they are often referring to a type of glass that is made from silica, lead oxide, soda or potash, and other additives. Lead crystal is prized for its durability and decorative properties, even if it does not necessarily possess a crystalline structure. It is referred to as crystal because, years ago, the Italian term "cristallo" was used to refer to Murano glass imitations. Compared to glass, fine crystal may be thinner or more decorative because the lead content lowers the working temperature of the glass, making it easier to sculpt. Normally, glass has to be fired to high temperatures with only a short window of time to blow or mold it. The presence of lead lowers the temperature and extends the working time, allowing crystal to be more ornately decorated compared to glass. However, while the presence of lead helps in sculpting it to the desired shape, it also makes the crystal more fragile, breakable, and prone to scratches.
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