chatoyancy

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• Chatoyancy — Cat s eye effect redirects here. For other senses, see Cat s eye. Tiger eye …   Wikipedia

• chatoyancy — noun Date: 1894 the quality or state of being chatoyant …   New Collegiate Dictionary

• chatoyancy — See chatoyant. * * * …   Universalium

• chatoyancy — noun The state or condition of being chatoyant. Syn: chatoyance …   Wiktionary

• chatoyancy — cha·toy·an·cy …   English syllables

• chatoyancy — noun see chatoyance * * * chatoyance /shat wä yãs or shat oiˈəns/ or chatoyˈancy noun • • • Main Entry: ↑chatoyant …   Useful english dictionary

• Lustre (mineralogy) — Lustre (or luster) is a description of the way light interacts with the surface of a crystal, rock, or mineral. The word lustre traces its origins back to the Latin word lux, meaning light , and generally implies radiance, gloss, or brilliance. A …   Wikipedia

• Pietersite — Also known as Tempeststone in the Pagan community, was discovered by Sid Pieters in 1962 while he was prospecting some farmland in Namibia, Africa. After his discovery, he registered the find in the mineral records of Britain. His discovery was… …   Wikipedia

• Chrysoberyl — General Category Oxide minerals Spinel group Chemical formula Be …   Wikipedia

• cat's-eye — /kats uy /, n., pl. cat s eyes. 1. any of certain gems having a chatoyant luster, esp. chrysoberyl. 2. a playing marble marked with eyelike concentric circles. [1545 55] * * * Any of several gemstones that display a luminous band reminiscent of… …   Universalium

• tigereye — /tuy geuhr uy /, n. tiger s eye. * * * or tiger s eye Semiprecious quartz gem displaying chatoyancy, a vertical luminescent band like that of a cat s eye. Bands of parallel, blue asbestos (crocidolite) fibres are first altered to iron oxides and… …   Universalium