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Aventurescence -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-21) |
 | | In (additional info and facts about gemology) gemology, aventurescence (sometimes called aventurization) is an (additional info and facts about optical) optical reflectance effect seen in certain (A crystalline rock that can be cut and polished for jewelry) gems. |
 | | In (additional info and facts about aventurine quartz) aventurine quartz (actually a type of (Hard metamorphic rock consisting essentially of interlocking quartz crystals) quartzite) chrome-bearing (additional info and facts about fuchsite) fuchsite makes for a green stone, and various (additional info and facts about iron oxide) iron oxides make for a red stone. |
 | | The words aventurine and aventurescence derive from the Italian "a ventura," meaning "by chance." This is an allusion to the chance discovery of aventurine glass or goldstone at some point in the (additional info and facts about 18th century) 18th century. |
| www.absoluteastronomy.com /encyclopedia/a/av/aventurescence.htm (216 words) |