Opal - Wikipedia, the free encyclopedia
... see Opal (disambiguation) ... Opal is a mineraloid gel which is deposited at a relatively low ... The word opal comes from the Latin opalus, by Greek opallios, ...
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Opal - english
Opals ... Opal variations are practically unlimited. ... Australia, classical Opal country ...
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opal: Definition from Answers.com
opal n. A mineral of hydrated silica. A gemstone made of this mineral, noted for its rich iridescence ... Opal is a relatively common mineral in its nongem form, ...
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OPAL
OPAL (Organizing People-Activating Leaders) is a community organization formed ... Meet the OPAL Board and Staff. Groundwork Portland Launch ...
www.opalpdx.org

The gemstone opal
These are some of the base colors of Opal. ... Opal is the most colorful of all gems. ... may also take place when an opal is subject to vibration, as during ...
www.minerals.net

Opal
opal is a low temperature mineral and is found in cracks or cavities that are ... Opal has been duplicated in the laboratory, and the material provides a very ...
www.theimage.com

Opals International Jewelers
Lowest opal jewelry prices on the web. We have a wide selection of genuine ... The opal measures 7x5mm and pendant includes 10K yellow gold light rope chain. $99.00 ...
www.australianopals.com

Australian opals and opal jewelry at Opals Down Under
Buy Australian opals and opal jewelry online direct from Australia. ... How to tell if an opal is real. How is opal mined? Australia's opal mining fields ...
www.opalsdownunder.com.au

OPAL (Hydrated Silica Glass)
Group: Some minerologists place Opal in the Quartz Group. ... Opal has been a popular gem for many centuries and has a very interesting structure. ...
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Hurricane Opal Preliminary Report
Information about the 1995 storm which struck the Florida panhandle.
www.nhc.noaa.gov