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Tiger's eye (also called tiger eye) is a chatoyant gemstone that is usually a metamorphic rock with a golden to red-brown colour and a silky lustre.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 eye Tiger's eye. In gemology, chatoyancy (/ ʃ ə ˈ t ɔɪ. ən s i / shə-TOY-ən-see), also called chatoyance or the cat's eye effect, [1] is an optical reflectance effect seen in certain gemstones, woods, and carbon fiber. Coined from the French œil de chat, meaning 'cat's eye'. The chatoyant effect is typically characterized by ...
Polished pietersite. Pietersite is a commercial term for a variety of the mineral chalcedony.Originating from Namibia and China, where it is mined for use as a decorative stone due to its chaotic chatoyancy and brecciated structure.
Bhadai Tharu lives in Khata, Nepal, and has dedicated his life to protecting tigers — despite losing an eye to one. This conservationist lost his eye in a tiger attack — but he’s still ...
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Cat's eye material is found as a small percentage of the overall chrysoberyl production wherever chrysoberyl is found. [citation needed] Cat's eye became significantly more popular by the end of the 19th century when the Duke of Connaught gave a ring with a cat's eye as an engagement token; this was sufficient to make the stone more popular and ...
On 24 June 2020, a new record for the world's largest rough tanzanite was set after a small-scale miner, Saniniu Laizer, mined two stones of 9.72 kg (21.4 lb) and 5.1 kg (11 lb) and sold them to the Government of Tanzania through Ministry of Mining for TSh 7.74 billion (US$3.35 million) [23] surpassing a record of 16,839 carats (3.37 kg; 7.42 ...
Dr David Williams from the Queen's Veterinary School Hospital at the University of Cambridge, performed the surgery, which was a world first for a big cat. He said: "Ratna was an incredible patient.