About Andamooka Opal Rough
| Buy Andamooka Opal Rough online direct from the mines. This opal field was found in 1930 and production rapidly increased with many miners working in pre and post WW2 times. But now production is small with only few miners working the field But the opal has strong characteristics that is pleasure to view The opal forms in the Bulldog shale and silica is mixed in this formation and when it is treated to colour reflects are brilliant. The opal olour hues are mostly sunset fires with orange to greens strong to red and blue s and many specimens found have all the colours of the rainbow so are very attractive This is the reason why these andomooka slice rough opals are now popular and with new treatment methods the stone is strong .Process can be similar to treatments of gemstones where resin solidify and makes the stone stronger .even opticon can make stone ready for polishing Most opal slabs are treated so cutter doesn’t have to worry about treating the slabs but shape and cut a s the opal colours are imbedded in the sandstone potch is easy to polish Some solid crystals are found in these fields but they are not common and large specimens can also be found and if slices on side they can have magical veined patterns but the rough can look good on top but has more consistent one color.images of stones are taken wet to expose the colour when polished
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Further Reading
![ROUGH MATRIX FROM ANDAMOOKA 113.30 CTS [MS2256 ]](https://df2sm3urulav.cloudfront.net/tenants/oa/cache/uploads/images/245000-249999/246033/246033_1283384910_260x208.jpg)
![74 CTS ANDAMOOKA ROUGH - [SP688 ]](https://df2sm3urulav.cloudfront.net/tenants/oa/cache/uploads/images/130000-134999/133535/133535_1223862978_260x208.jpg)
