7.81 CTS GEM QUALITY CLEAN PIPE OPAL STONE [BMB1467]

Item Information

Dimensions (mm) 17 x 12 x 5.5mm
Weight (carats) 7.81 carats
Colors
BOULDER MAGIC
PIPE OPAL
This is a natural crystal that was mined in the koriot opal field.It is rare to find clean stones with no inclusions as usually there is sand in the opal..
This crystal opalis  from unique pipe like structure that is usually formed in sandstone and not ironstone. There may be some sand inclusions  in the stone which is natural as that is how they have formed. The pipes may be several centimeters in diameter and can be hollow or opal filled. They can be found in knotted masses. There formation is possibly joint controlled or they may be from zones high permeability with in the sand stone that acted as a channel for water flow.
Transulant stone.


$2,400.00 USD

$9,000.00 SAVE $6,600
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Audit Information

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Pricing & Details

Auction ID 1075202
Watchers 5 watching
Viewed 114 times
Starts 21st Jun 2021 10:38pm PDT

Shipping & Insurance

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FedEx $33.00 10 days
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Boulder Magic Details

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