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Black Opals Gemma AI Opal 101
Estimated RRP
Closed
12/09/2025 12:47 am
downunderopals

Collectors Koroit Boulder Opal Nut Polished Stone Specimen

2007 views
1 watching
Details
SKU
Dimensions (mm)
46.2 x 49.4 x 25.5mm
Weight (cts)
414
Type
Specimen, Polished, Cabochon
Shape
Freeform
Colours
Description

Stone : Koroit Boulder Opal Nut
Mine : Koroit

Outback Queensland Australia

Polished Collectors Stone

Stone can be kept as is and add to you collection, or cut into smaller multiple stones.

FREE COMBINE SHIPPING - (7 DAYS)

Free hole drilling if required


Member of the " Queensland Boulder Opal Association Inc."
Member of the " Lightning Ridge Miners Association"

Shipping
Shipping provider Shipping to Australia Shipping to rest of world Combined Shipping (Australia) Combined Shipping (rest of the world)
Standard Shipping - Tracked
/ 5 days
/ 15 days
on orders with 2 items or more
on orders with 2 items or more
FedEx
/ 7 days
/ 7 days
on orders with 2 items or more
on orders with 2 items or more
Express Shipping
/ 2 days
/ 10 days 		Not available Not available
Store
Collectors Koroit Boulder Opal Nut Polished Stone Specimen

downunderopals
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Qld, Australia
Owned by downunderopals
Verified
View all 4,325 Feedback
Recent Feedback
Koroit Boulder Opal Rough DO-2305 - downunderopals Koroit Boulder Opal Rough DO-2305 - downunderopals
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Natural Boulder Pipe Opal Faced Rough 6.55cts DO-4973 Natural Boulder Pipe Opal Faced Rough 6.55cts DO-4973
Natural Boulder Pipe Opal Faced Rough 15.90cts * DO-4971 Natural Boulder Pipe Opal Faced Rough 15.90cts * DO-4971
View All Feedback

Audit

The Opal Sheriff program allows our members to request an audit on any product, which is completed by an independent Gemologist who assesses the accuracy of the item description and pictures.

Shipping Details

Costs:
Transit:
15 days via Standard Shipping - Tracked
Ships from:
Australia

Payment Options

  • paypal
  • stripe
  • gempay
This seller adds 10.00% tax to transactions in Australia.
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Overview

Listing Type : Standard
Product ID : 1501752
Starts : 2nd September 2025 04:23 am PDT
* All prices are in USD

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