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Blue Bubble Chalcedony Gemstone Crystal Mineral Specimen Rough A nice blue bubble or botroiydal Chalcedony from Turkey. It is slightly translucent. This lovely material has a natural bubbly, shiny surface. This beautiful specimen is 1.5 inches long by 1.25 at its widest and the thickest varies but is about 6 mm. It can be left as a specimen or cut into a cabochon. This material is very craggily though-not flat! Chalcedony (kal SED' nee) is any form of microcrystalline quartz , where the crystals are too small to be seen without high magnification. However, in the rock world, only the translucent or transparent, single color types are sold as "chalcedony". Other colors are white, blue, purple, pink, yellow, orange or red. The various types differ in color due to metallic impurities, such as iron, nickel, copper, and titanium present during crystallization. Chalcedony forms in rounded crusts, rinds or stalactites in volcanic and sedimentary rocks. The name probably comes from Chalcedon or Calchedon, an ancient port city on the Sea of Marmara in modern-day Turkey. They usually have a waxy luster and a hardness of 7. Chalcedonies are tough gems, good for all jewelry applications and require no special care in wearing or cleaning. Shipping terms: I am always happy to combine shipping. I prefer to ship Priority, but will ship anyway you want if you contact me first. I usually ship within 3 business days domestically and Priority International, but it can take up to 1 week for First Class International. International Buyers – Please Note: Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer’s responsibility. Please check with your country’s customs office to determine what these additional costs will be prior to bidding/buying. Please note: Items are One of A Kind, due to the natural stone material there may be some natural cracks or inclusions. Major faults will be listed. You will always receive the item pictured unless otherwise noted! Any questions??-please contact me. E-mail a friend about this item. | |||||||||||||||
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