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Idaho Opal Mines, Inc. (Popularity:  )
http://www.idopalmine.com/
Features products from this Idaho based mine such as opal triplets, finished 14k or sterling silver opal jewelry.
Category:
Shopping - Jewelry - Ethnic and Regional
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Black Opal Mine (Popularity: )
http://www.blackopalmine.com/
Offers information about the appearance and varieties of australian opals, along with online store.
Category:
Shopping - Jewelry - Supplies - Gemstones
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The Opal Mine (Popularity: )
http://www.opalmine.com/
Retail and wholesale Australian opals from the mines at Lightning Ridge, cabochons, rough, jewelry, opal encyclopedia, search function and chat forum. Requires Java and cookies to be turned on to order on line.
Category:
Shopping - Jewelry - Supplies - Gemstones
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Opal Art Inlay by K. Jones (Popularity: )
http://www.opalartinlay.com/
Specializes in custom designed Australian crystal and black opal inlay rings and pendants. Also offers repair services.
Category:
Shopping - Jewelry - Bead and Gemstone - Opal
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Laszlo's Opals and Jewelry (Popularity: )
http://www.opal-jewelry.com/
South Australian opal company specializing in opal rings, earrings, pendants and opal inlay jewelry
Category:
Shopping - Jewelry - Bead and Gemstone - Opal
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Related:
Black Opal
- Opal
- Boulder Opal
- Opal Campbells
- Clarisonic Opal
Ritchard's Gems (Popularity: )
http://ritchardsgems.tripod.com/
Discount supplier of hand select facet rough from around the world including black Australian opals, Mexican fire and crystal opals and Honduras black matrix opal.
Category:
Shopping - Jewelry - Supplies - Gemstones
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Opals International Jewelers Inc. (Popularity: )
http://www.australianopals.com/
Australian and black opal jewelry, and custom designs.
Category:
Shopping - Jewelry - Bead and Gemstone - Opal
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Firebird Opal (Popularity: )
http://www.firebirdopal.com.au/
Australian lightning ridge opal in cut stones, rough and rubs.
Category:
Shopping - Jewelry - Supplies - Gemstones
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Mine Safety and Health Network (Popularity: )
http://www.mshahelp.com/
News and information about mine safety and the Mine Safety and Health Administration (MSHA). The subscriber-only area contains a MSHA compliance manual and reference materials including FMSHRC case decisions, 30 C.F.R. Parts 1 to 199 and the Mine Act ...
Category:
Science - Technology - Mining - Safety
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EOpal Limited (Popularity: )
http://www.opals-opals.biz/
Featuring Australian and black opal jewelry, and loose stones. Includes information on care, mining and composition
Category:
Shopping - Jewelry - Bead and Gemstone - Opal
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Lost Sea Opals (Popularity: )
http://www.lostseaopals.com.au/
Based on Lightning Ridge, Australia. Features inlay jewelry, black and crystal opal, fossils and books.
Category:
Shopping - Jewelry - Bead and Gemstone - Opal
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United States Mine Rescue Association (Popularity: )
http://www.usmra.com/
Private organization that advocates improved mine rescue training. Resources include forum, directory, news page and mine accident information.
Category:
Science - Technology - Mining - Safety
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Rolfs Opals (Popularity: )
http://www.opalsaustralianopals.com
Black, boulder, and crystal opals. Opal pendants, rings and earrings.
Category:
Shopping - Jewelry - Bead and Gemstone - Opal
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Gold Rush Jewelry, Bead and Art Company (Popularity: )
http://www.opalopal.com/
Australian opal rough, black, cabochons, jewelry, and information about this gemstone.
Category:
Shopping - Jewelry - Supplies - Gemstones
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Mine Safety and Health Administration (Popularity: )
http://www.msha.gov
US government mine safety branch. Includes information and links about regulations, current safety initiatives, accident investigations, equipment alerts, training, mine rescue, and related topics.
Category:
Science - Technology - Mining - Safety
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Gemcom Software International Inc. (Popularity: )
http://www.gemcomsoftware.com
Develops software designed to automate and integrate key operations for exploration, resource evaluation, mine planning, mine design, mine operations management and environmental monitoring.
Category:
Science - Technology - Mining - Software
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Australian Opal Cutters (Popularity: )
http://www.australianopalcutters.com
Sales of loose Australian opal and jewelry.
Category:
Shopping - Jewelry - Bead and Gemstone - Opal
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Opals In The Bag Too (Popularity: )
http://www.opalsinthebag.com/
Sellers of opal jewelery, loose opals, carved opals, and opal triplets.
Category:
Shopping - Jewelry - Bead and Gemstone - Opal
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Hepburn Engineering Inc. (Popularity: )
http://www.hepeng.com
Canadian designer and manufacturer of mine hoists and mine hoist electrical controls.
Category:
Business - Mining and Drilling - Tools and Equipment - Mining
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TrueREALISM (Popularity: )
http://www.truerealism.com
Mine production decision software based on pareto optimization. Site contains publications about mine planning methodologies.
Category:
Science - Technology - Mining - Software
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