12/29/2023 0 Comments Hawk eye gem![]() ![]() The buyer can use the media exclusively (exclusivity applies from the moment that the file was downloaded using this license) during the time period selected, and include it in any type of design with just a few restrictions: sensitive subjects may still apply and the buyer may not claim that the file was created by him nor resell it as his work. This license represents an exclusive right to use the downloaded media, but such exclusivity will only last for a limited period of time. Physical Items for Resale/Distribution: includes the right to use the photos or stills comprising media for T-shirts, postcards, greeting cards, mugs, mousepads, posters, calendars, framed artwork that is to be sold to other customers for an unlimited number of copies (applies as a total of each type of usage). Note that the other restrictions still apply. This is an additional license to the rights included within the regular Royalty-Free license. Maximum number of electronic items is unlimited (applies as a total of each type of usage). The number of copies allowed is unlimited for each designer/employee.Įlectronic Items for Resale/Distribution: this license includes the right to use the media in webtemplates that are sold to more customers, screensavers, e-cards, powerpoint presentations or as wallpapers on cell phones. ![]() The U-EL license is applied only for the staff of the organization that holds the account. It is an additional license to the usage included within the regular Royalty-Free / Editorial license that awards rights for a single person within the same company. ISBN 0-7506-3173-2.This license extends our regular Royalty Free / Editorial license to an unlimited number of seats within the same organization. ![]() Boston, Massachusetts: Butterworth-Heinemann. Synthetic, Imitation, and Treated Gemstones. Washington, D.C.: US Government Printing Office. Mineral Resources of the United States / Department of the Interior, United States Geological Survey. ^ Listing of SG of gems and gem simulants Archived at the Wayback Machine,."New interpretation of the origin of tiger's-eye". ^ Heaney, Peter Fisher, Donald (April 2003).Artificial fibre optic glass is a common imitation of tiger's eye, and is produced in a wide range of colours. Honey-coloured stones have been used to imitate the more valued cat's eye chrysoberyl, cymophane, but the overall effect is often unconvincing. Oval shape tiger's eye with iron stripes Blue tiger's eye Dark stones are artificially lightened to improve colour using a nitric acid treatment. Red stones are developed by gentle heat treatments. Gems are usually given a cabochon cut to best display their chatoyance. Roman soldiers wore engraved tigers eye to protect them in battle. In some parts of the world, the stone is believed to ward off the evil eye. Unpolished tiger's eye from South Africa Cultural associations Tiger iron Serpentine tiger's eye from Arizona Sources Ĭommon sources of tiger's eye include Australia, Burma, India, Namibia, South Africa, the United States, Brazil, Canada, China, Korea and Spain. ![]() The trade name 'pietersite' is used for a fractured or brecciated chalcedony containing amphibole fibers and promoted as tiger's eye from Namibia and China. These have been cut and sold as "Arizona tiger-eye" and "California tiger's eye" gemstones. Serpentine deposits in the US states of Arizona and California can have chatoyant bands of chrysotile, a form of asbestos, fibres. It is formed by the alteration of crocidolite. The specific gravity ranges from 2.64 to 2.71. Tiger's eye is composed chiefly of silicon dioxide ( SiOĢ) and is coloured mainly by iron oxide. Tiger iron is mined primarily in South Africa and Western Australia. Tiger iron is a popular ornamental material used in a variety of applications, from beads to knife hilts. The undulating, contrasting bands of colour and lustre make for an attractive motif and it is mainly used for jewellery-making and ornamentation. Tiger iron is an altered rock composed chiefly of tiger's eye, red jasper and black hematite. As members of the quartz group, tiger's eye and the related blue-coloured mineral hawk's eye gain their silky, lustrous appearance from the parallel intergrowth of quartz crystals and altered amphibole fibres that have mostly turned into limonite. Tiger's eyeĬhatoyant gemstone that is usually a metamorphic rock with a golden to red-brown colour and a silky lustre. Not to be confused with Eye of the Tiger. ![]()
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