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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
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Description
Australian Queensland Boulder High Grade Matrix opal 3.9cts rub / rough / preform Koroit veins of Vibrant Multifires 11x7x3mm BFA20This is a very nice Boulder opal of the Queensland opal fields. From Koroit mining area , this is a opal in ironstone matrix Lots of nice veins of Vibrant Multifires showing on exposed face Preformed so only needs a little work & a Polish lots potential here Please note boulder opal is ironstone host rock with deposits of opal. Details: #BFA20 Weight: 3. 90cts Grade: HIGH GRADE Base Colour: Boulder tone Source: Queensland Australia Field: Koroit Size:
This is a very nice Boulder opal of the Queensland opal fields.
From Koroit mining area , this is a opal in ironstone matrix
Lots of nice veins of Vibrant Multifires showing on exposed face
Preformed so only needs a little work & a Polish lots potential here
Please note boulder opal is ironstone host rock with deposits of opal.
- Details: #BFA20
- Weight: 3.90cts
- Grade: HIGH GRADE
- Base Colour: Boulder tone
- Source: Queensland Australia
- Field: Koroit
- Size: 11x7x3mm
- Type: Koroit Boulder rough
- Colours: Nice bright Vibrant Multi colours to veins
- State : In the Rough rubbed and preformed
-
Solid, Natural, Untreated Opal, Ironstone Host rock
Shipping Notes
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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4.5 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 5
Good wire
Size: 40 Feet
Teenage daughter wanted shiny aftermarket stuff, daughter got shiny aftermarket stuff.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 5, 2026
★★★★★ 4
Good quality wire, but thicker than expected
Size: 100 Feet
The wire itself is great quality — sturdy and well-insulated. I bought it to wire up several COB LED lights, but the individual wires and outer sheath were a bit too thick to fit into the press connectors I was using. It’ll work perfectly for other projects, just something to keep in mind if you’re using tight-fit connectors.
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Reviewed in the United States on October 15, 2025
★★★★★ 5
Reasonable Price
Size: 40 Feet
Seems to be good quality
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Reviewed in the United States on January 21, 2026
★★★★★ 5
On time
Size: 100 Feet
Work fine and on time
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Reviewed in the United States on May 16, 2026
★★★★★ 5
Red, black, run right!
Size: 40 Feet
I got the TYUMEN 40FT 18 Gauge 2-Pin Red & Black Cable for hooking up LED strips, and it worked perfectly. The wire is sturdy, flexible, and easy to cut or connect, making installation quick and hassle-free.
The 40-foot length is generous for longer runs, and the color-coded red and black makes it easy to keep track of positive and negative connections. Great for DIY electronics, lighting projects, or any small electrical hookup.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 12, 2025
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