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Which is the best to buy: natural, enhanced, imitation, artificial or synthetic gems? The answer depends on how you plan to use it. Natural gemstones have not had anything done to them that changes their color.... (2001) Complete Story
Every substance on Earth falls into one of three groups: animal, plant or mineral. Minerals are compounds of elements, like carbon, chromium and silicon. Gemstones are simply minerals that people have deemed attractive and, therefore, valuable.... (2001) Complete Story
Prized for its sky-blue color, turquoise has been used in amulets and jewelry since antiquity. The oldest known piece of jewelry is a turquoise and gold bracelet found in the tomb of Zer, an Egyptian queen who lived 7,500 years ago....
(2001) Complete Story
Gold and silver have long been esteemed as the king and queen of metals, for good reason. No other members of the mineral family surpass these two metals in nobility.... (2001) Complete Story
describe here some broad practical steps in making an acetate spectacle frame by hand. For a brief comparison let's consider the way acetate frames are often made. In the spectacle industry the typical factory set-up involves dozens of pre-set routing and heat-forming/embedding machines to produce each frame design. Designs must be guarranteed of commercila success to pay for this huge set-up cost, and must fit into the parameters of the machinery. Making by hand has all the attributes and advantages that a factory cannot afford: greatest flexibility of design, quickest speed of reaction to customer/market requirements, and total uniqueness. The downside is that handmade frames take time to make, the runs are small, and the maker must be skilful. Sound familiar? Let's press on undaunted anyway; the rewards are fulfilling.... (1997) Complete Story
