13.40 cts pipe opal with stunning 3 d effect -well polished [BMB1491]

Item Information

Dimensions (mm) 21 x 17 x 9mm
Weight (carats) 13.4 carats
Colors
BOULDER MAGIC
PIPE OPAL
This is a natural crystal that was mined in the koriot opal field.This material has some sand and or vegetation in the back ground which gives a interesting 3 d effect..
This crystal opal is  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.


$625.00 USD

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Pricing & Details

Auction ID 1075547
Watchers 7 watching
Viewed 78 times
Starts 22nd Jun 2021 5:57pm PDT

Shipping & Insurance

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FedEx $33.00 10 days
Registered Shipping $16.00 21 days
Shipping Insurance all providers $22.75 (optional)

Boulder Magic Details

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