SKU: 2742898052

Natural 2nd Largest Dioptase Specimen in the World x 1 From Tantara, Congo

Sale price$177750.00 Regular price$197500.00
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Description

Natural 2nd Largest Dioptase Specimen in the World x 1 From Tantara, CongoPRODUCT DESCRIPTION This is a HUGE 42. 9 kg Dioptase Crystal Specimen! This is an absolute monster! 42 kg and 59 cm Long of Emerald green crystalline exposure on Copper Dolomite Matrix! The piece stands and displays exceptionally well and the Whole Front Face is Completely Covered with Dioptase Crystals Some of the crystals are a little milky, with some minor areas of scratches, but they are all nice deep dark Emerald Green Crystals, so despite the

PRODUCT DESCRIPTION 

This is a HUGE 42.9 kg Dioptase Crystal Specimen! 

This is an absolute monster! 42 kg and 59 cm Long of Emerald green crystalline exposure on Copper Dolomite Matrix! The piece stands and displays exceptionally well and the Whole Front Face is Completely Covered with Dioptase Crystals  Some of the crystals are a little milky, with some minor areas of scratches, but they are all nice deep dark Emerald Green Crystals, so despite the minor scuffing on some crystals,  the specimen is Magnificent and is still the second largest known Dioptase specimen from Congo and is not just seriously impressive, but is actually very decently priced and is stunning anyhow!

99% of Museums have FAR smaller and less impressive Dioptase specimens in their display than this one. While not remotely cheap at over $23000, it is extremely cheap for what it is and would be more like $65000-$75000 IF available in a shop or high end Mineral Dealership somewhere. (BUT probably impossible to find)

We received both the Largest Dioptase in the World (101 kg ..which we are still going to put up for sale, but would also be a magnificent centre showpiece for a Museum) ) and the second largest in the world in 2022 from Tantara Mine in Congo, which is a closed Cu deposit, but mined specifically for Mineral Specimens...and they got lucky and hit an exceptionally large pocket. Please do let us know if you have ever seen any Dioptase specimens of these dimensions, as we have searched high and low for anything else of these dimensions and have come up with nothing. 

PRODUCT DATA 
Locality = Tantara, Congo
Grade =  Very Good Grade
Size = 490 - 310 - 155 mm

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SKU: 2742898052

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4.5 ★★★★★
Based on 5 reviews
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A
Verified Purchase
Alan W.
Bozeman, US
★★★★★ 5
Great chew toy!
Color: Green, Pattern Name: Hammerhead Shark
Our dogs love them! I have three of the sharks to help them share with each other! LOL Been crewed on and still look good, long lasting and perfect size for our Golden and Yellow Lab.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
J
Verified Purchase
Jessenia Hernandez
Charlottesville, US
★★★★★ 5
Finally a Toy My Aggressive Chewer Can’t Destroy
Color: Green, Pattern Name: Hammerhead Shark
My dog is an extremely aggressive chewer, and finding toys that last more than a few minutes has always been a challenge. Most toys are destroyed almost immediately, but this one has held up incredibly well. He chews on it constantly, and it still hasn’t been destroyed!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
M
Verified Purchase
Marshage
Omaha, US
★★★★★ 3
A Green Hard Plastic Sea Creature? Chew Toy
Color: Green, Pattern Name: Hammerhead Shark
This is a sturdy chew for my 40 lb retriever who is 9 months old. BUT after she has been chewing on it there are sharp edges which hurt my fingers when she wants me to throw it. It is strong and she enjoys it, so she can continue as long as she wants but, If it cuts her tongue or mouth it’s gone.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 30, 2026
L
Verified Purchase
Luca
Birmingham, US
★★★★★ 5
Strongest squeak toy for aggressive chewer
Color: Green, Pattern Name: Hammerhead Shark
I have been through so many toys for my aggressive super chewer pit bull puppy. He has shredded the bark box super chewer toys and most super chewer toys. Wet have had this toy for over a month and he still lives it! The squeaker odds in the middle of the toy and impossible to tear out and it still squeaks! This has been a very impressive toy.
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Reviewed in the United States on May 18, 2026
J
Verified Purchase
Jenny J
Lowell, US
★★★★★ 5
My Puppy Loves this Indestructible Dragon
Size: Large, Color: Pink, Size: Large, Color: Pink
My puppy (8 month old black lab mix) loves, loves, loves her dragon. She has had it for 2 months now. It is one of her favorites and gets daily rough play time. It's her go-to toy for fetch and tug games, as well as just general mouthy play. The squeaker gave out after about 4 weeks, but she would binge squeak for prolonged periods (kind of like chomping on gum) so it was almost a blessing when it went silent. She still chomps on it, but at least now I don't have to hear it. Other than the fact that it's a little grungy and bedraggled from so much loving, it is still in amazing shape. The seams and fur are all still intact. There are no visible holes, rips, or weak spots. I love Chew Guard Technology. This dragon replaced her goDog Iguana (from PetSmart) that developed a tear in the fur after about 4 months of heavy use. (It was superficial, just the outer fur layer and not the innards, but we disposed of it before she could eat more fur.) She can be pretty rough on her toys and I can never predict if any given toy will last minutes or months. The goDog stuffies definitely fall into the "months" category, even with rough daily use. Edit: The dragon lasted about 6 months of intensive, hard play before it developed a small tear in the fur. I patched it a couple times, but once my pup discovers a weak spot, it's the kiss of death for any stuffed item. We had to dispose of the dragon (so sad) to keep her from eating any more of the fur. We replaced the dragon with the goDog Chameleon, which is still going strong. I think we will go back to the dragon for our next toy because it's just so darned cute. We gave the dragon to my niece for her golden retriever puppy who is very chew-happy. That dragon is also doing well. You've just gotta love that chew-guard technology. This is one tough toy.
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Reviewed in the United States on September 26, 2015

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