Opals sentence example

opals
  • All opals have a significant amount of water content.
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  • According to the official records, there were registered in September 1906, 23,191 mining properties, of which very nearly five-sixths were described as producing s:'ver, either by itself or in combination with other metals: The properties were classed as 1572 gold, 5461 silver, 970 copper, 383 iron, 151 mercury, 94 lead, 86 sulphur, 52 antimony, 49 zinc, 40 tin, 21 opals, 9 manganese, 6 " sal gema," 5 tourmalines, i bismuth and i turquoise - the remainder being various combinations of these minerals.
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  • Opals are found in the district.
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  • In addition they offered newly available American gemstones such as Montana sapphires and Mexican fire opals.
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  • Just about any kind of fake gem could be made, including fake opals.
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  • When Bob described buying opals by the handful in Australia.
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  • The capital of the state is the historic city of Queretaro, and other important towns, with their populations in 1900, are: San Juan del Rio (8124), Landa (about 7000), Ahuacatlan (5929 in 1895), Jalpan (about 6000), and Toliman, celebrated for its opals.
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  • Opals are prized for their rainbow colors and translucent beauty.
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  • This is an important aspect of opals that needs to be remembered.
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  • Opals need to be kept away from heat since it can diminish the water content within the stone, making an opal's 'fire' less brilliant with time.
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  • The color of opals may vary from almost milky white to red and blue colors, and even a semi transparent orange.
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  • The red and blue opals are the most prized, while the whitish, milky variety is the more common stone.
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  • Some opals will display a color effect only when viewed from one particular direction - this type of opal is less desirable and should be inexpensive.
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  • Opals are also known by the way in which they are presented or set.
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  • You can find solid opals, those that are basically one stone with a smooth and rounded face that is not faceted.
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  • A doublet opal is actually a combination of an opal glued to another opal or some other material; triplet opals include a base which is usually dark, a precious opal center and a clear covering.
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  • These types of opals have the least opal content even compared to doublets and are always priced significantly lower than the solid and doublet types.
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  • Since they are water-based stones, opals are quite soft.
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  • Opals require periodic oiling in order to keep the water content intact and protected.
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  • Opals Down Under has a premium range of different types of opals found in Australia.
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  • The have all types of opals and manufacture different types of jewelry including rings, pendants and bracelets.
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  • Because opals are somewhat fragile many with October birthdays choose to wear tourmaline, which is a deep pink jewel, or another pink stone instead.
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  • Opals are known for their inner fire and good quality opals will catch and reflect the light so that bright colors flash through the stone.
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  • Opals can be found in many colors and are traditionally cut into smooth shapes.
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  • Other vintage options from the Seventies are blue star sapphire rings and silver rings set with turquoise or opals.
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  • The translucent gem stone has a sheen that resembles opals and comes in colors such as white, gray, peach and blue.
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  • The color range of opals makes them ideal for many masculine ring styles.
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  • The rich history and lore surrounding opals also will appeal to men looking for historic and symbolic rings.
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  • For centuries, people have been fascinated with opals because of their striking color possibilities and hidden rainbows in many iridescent varieties.
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  • The Greeks viewed opals as symbols of perfection.
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  • In recent years, more men's rings have featured opals.
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  • Opals can easily get scratched from daily wear and tear.
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  • Only clean the ring with a jewelry polishing cloth suitable for the metal and safe for opals.
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  • Jewelry: Choose light pieces that complement your look well, such as diamonds, rhinestones and opals.
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