Reviews & Guides

• Selecting an opal and knowing what you have!
• by tatadzik( 746)
• Opals have different refraction from different angles. The more refraction from different angles, the more colors, and the more refraction coverage over the stone, the more valuable the opal. Look for sellers... 

• Tags:

  opal | black opal | Australian opal | boulder opal | crystal opal

• 128 of 135 people found this guide helpful

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• VINTAGE FLOATING OPALS-A RARE FIND TODAY!
• by hisglory2c( 1517)
• Floating opal are a gorgeous piece of vintage jewelry and can give you many years of wear IF you buy a true vintage piece. They are opal chips or chunks, encased in a blown glass globe topped off with a gold... 

• Tags:

  opals | floating opals | glass globe with opals | glass beads | opals in liquid

• 125 of 130 people found this guide helpful

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• A Practical Guide to Ethiopian Opal
• by usgemcutter( 270)
• Ethiopian opal is still a new gemstone. Ethiopian opal is quite unique and different from more common Australian and Mexican opal. Not many people know about this opal yet. I am a gem cutter and have worked on... 

• Tags:

  Ethiopian Opal | Contra Luz | Hydrophane/Cachalong | Buying Opal | Opal Care

• 78 of 80 people found this guide helpful

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• A guide to mexican opals
• by opalbuyer ( private )
• As a radiologist, writing a review on mexican opals was perhaps the last thing I expected to be doing, but having fallen in love with this most beautiful and diverse of gemstones, and given the paucity of... 

• Tags:

  opal | mexican | fire | cantera | australian

• 52 of 52 people found this guide helpful

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• Rough Opal Parcels Guide - Part Two
• by arthursonn( 675)
• Please see part one and part three as well Opal rough is sold in parcels, the Australian term for any amount of opal being offered. A parcel may range from a single stone to a batch of hundreds of stones.... 

• Tags:

  opal rough | opal preforms | opal rubs | opal patterns | opal colors

• 42 of 44 people found this guide helpful

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