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Description
Australian Queensland Boulder Matrix opal parcel 155cts Tumbled rough Koroit lots colours lots potential 24x19x19mm to 15x10x8mm BFA37This is a nice parcel of Boulder opal of the Queensland opal fields. From Koroit mining area , this is a opal in ironstone matrix This has been tumbled to exposed the potential to work with Lots of colours showing in the veins , lots of potential here Please note boulder opal is ironstone host rock with deposits of opal. Details: #BFA37 Weight: 155cts Grade: POTENTIAL GRADE Base Colour: Boulder tone Source: Queensland Australia Field: Koroit Size:
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.6 ★★★★★
Based on 968 reviews
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Product Reviews
★★★★★ 5
Best no-show socks ever!
Size: 6-10, Color: Black
If you're tired of wearing socks that slip off and show in your sneakers, then you need to try these amazing socks! They are designed to stay in place, even after being active all day. They are incredibly soft and comfortable, and they are truly no-show, so you won't see them at all. I've been using these socks for years and have never had any issues. In fact, I love them so much that I've bought multiple packs, and my family members have started using them too. Don't waste any more time with those annoying socks that slip off and show - give these a try and you won't be disappointed!
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Reviewed in the United States on April 16, 2024
★★★★★ 5
The best
Size: 9-11, Color: Black
Seriously the best non slip low cut socks you can find. They stay in place all day and I love the fabric. They are thin which I prefer. These are really the only socks I wear.
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Reviewed in the United States on March 27, 2026
★★★★★ 5
Great socks for the price!
Size: 6-10, Color: Black, Size: 6-10, Color: Black
I love these socks, they are perfect no shows but the material is thick enough for toes not too go thru. The grip is perfect and keeps the sock in place all day. I would definitely order true to size as the fit was perfect. I was surprised to find these socks at the price I did, especially when I got the socks in both black and white.
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Reviewed in the United States on December 9, 2025
★★★★★ 5
Best non-slip no show sock!
Size: 6-10, Color: Black
I love these socks! I wear them mostly with my slip on vans. The are thin so your feet can breathe (I hate thick socks). They have a grip on the heal so that they don't slip off of your feet, and it actually works! My only negative about these socks would be that if you have bigger than a size 8 foot, I would not purchase them because they do run a bit small. I wear a size 7 and they fit perfectly! They do look very tiny upon unpacking, but they stretch to the according size. I would also recommend letting them air dry after washing them and not putting them in the dryer. The first pair I purchased, I made the mistake of drying them and they shrank to an unbelievably small size. I've had my second set of socks for over 4 months now and have not had any problems since Ive been air drying them. I have not encountered any problems with them tearing as other have stated. Even though these are thin socks, they seem to be made quite well in my opinion.
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Reviewed in the United States on December 5, 2022
★★★★★ 5
I buy these again and again through the years!
Size: Medium, Color: Austin Brown Assorted (6-pairs)
Love these. After a year or two I wear holes in the bottoms because I wear them so much. Worth the little bit higher price because of the fit and comfort. Love how they are truly no show
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Reviewed in the United States on October 18, 2025
