SKU: 49724578726

Denader 004 Bencubbinite CB Carbonaceous Chondrite Endcut 3.12g

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Description

Denader 004 Bencubbinite CB Carbonaceous Chondrite Endcut 3.12gOne of nine approved CB carbonaceous chondrites Denader 004 belongs to a group with only nine approved members in the Meteoritical Bulletin. It is a metal rich carbonaceous chondrite of the Bencubbin type, built from kamacite metal nodules set in a silicate groundmass of barred and radial chondrules. This specimen is a 3. 12 gram endcut, sliced to open the full interior. The cut face is studded with rounded metal nodules, each ringed by a thin iron

One of nine approved CB carbonaceous chondrites

Denader 004 belongs to a group with only nine approved members in the Meteoritical Bulletin. It is a metal-rich carbonaceous chondrite of the Bencubbin type, built from kamacite metal nodules set in a silicate groundmass of barred and radial chondrules. This specimen is a 3.12 gram endcut, sliced to open the full interior.

The cut face is studded with rounded metal nodules, each ringed by a thin iron hydroxide rim, against a pale gray brecciated matrix flecked with chondrule and mineral fragments. The metal runs through a weathering gradient from silvery to dark to orange limonite, a record of the time the stone spent in the Malian desert before recovery.

What sets this piece apart inside an already small group is the classification itself. A. Greshake could not place Denader 004 in either established CB subgroup. Its silicate fraction, the size of its chondrules, and a fine grained matrix sit it between CBa and CBb, leaving it classified simply as CB.

Structure and features

The cut and polished face presents both halves of the CB texture. Kamacite metal nodules, rounded to slightly elongated and averaging close to 2.5 millimeters across, make up roughly 40 percent of the surface and take a bright reflective polish. The remaining 60 percent is a gray silicate groundmass built from radial and finely barred chondrules up to 4 millimeters wide, broken chondrule and mineral fragments, and a fine grained matrix. Many of the metal nodules carry a thin brown iron hydroxide rim from the meteorite's time in the desert, and small rounded voids mark places where loose metal spheres weathered out. As an endcut, the piece keeps one fully prepared face for viewing while the reverse holds its natural exterior.

Discovery and provenance

Denader 004 was found during a search in Mali in 2025 and purchased from a local dealer near Gao. It was classified by A. Greshake at the Museum für Naturkunde in Berlin and published in the Meteoritical Bulletin, no. 115. The type specimen is held at the Museum für Naturkunde, with the main mass recorded to Jared Collins. The meteorite is listed as a find with low shock and moderate weathering.

Scientific context

CB chondrites, named for Bencubbin, are a metal-rich branch of the carbonaceous chondrites. Their metal and chondrules are interpreted to have formed from a vapor and melt plume thrown up by a high energy collision between early planetary bodies, rather than by the slow condensation that produced most chondrites. That origin is why CB material is dominated by metal nodules and by chondrules with radial and barred textures. The Meteoritical Bulletin entry classifies Denader 004 as CB but does not place it in either established subgroup: a silicate abundance near 60 percent, chondrules reaching 4 millimeters, the presence of a fine grained matrix, and the occurrence of zoned olivine together with ferroan pyroxene do not allow an unambiguous assignment to CBa or CBb. The dominant silicates are enstatite and forsterite, and the metal is a nickel bearing kamacite carrying chromium bearing troilite inclusions.

Frequently asked questions

What is a CB chondrite?
It is a metal-rich carbonaceous chondrite of the Bencubbin type, defined by abundant metal nodules and chondrules. CB chondrites are among the least common carbonaceous groups, with only nine officially classified to date.

Why is Denader 004 not labeled CBa or CBb?
The Meteoritical Bulletin notes that its high silicate content, large chondrules, fine grained matrix, and zoned olivine plus ferroan pyroxene do not fit cleanly into either recognized subgroup, so it is classified as CB without a subgroup.

Will the metal respond to a magnet?
Yes. The nodules are kamacite, a nickel iron metal, so the piece is strongly magnetic.

How should the endcut be stored and handled?
Handle it with clean gloves and keep it in a dry environment. Because it is a moderately weathered desert find that contains metal, low humidity helps protect the cut face and limits further rust.

Why this matters to a collection

CB chondrites record a violent moment in the early solar system, preserving metal and silicate that came together in an impact plume around 4.56 billion years ago. With only nine names classified as CB, the group is seldom offered, and a prepared endcut shows both a full polished face and the natural exterior of the stone. This specimen is offered by Treasure Coast Meteorite Co., IMCA Member #3323.

Classification and provenance for this specimen follow the official Meteoritical Bulletin entry for Denader 004, viewable at the Meteoritical Bulletin Database. Unless specifically stated in titles and descriptions, all meteorites sold by Treasure Coast Meteorite Co. are scientifically classified specimens with Meteoritical Bulletin citations.

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SKU: 49724578726

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Bernadette Smith
Fort Morgan, US
★★★★★ 5
Excellent Rivals to Lovers!!
Format: Kindle
The tension and banter between Huntyr and Wold was delectable. I absolutely love the fallen angel and all of his flaws. Huntyr is amazing too being a badass FMC with some major trauma. The world building was great and I enjoyed the training aspect of the story. The writing was immersive and was in the story the whole time. The ending had quite a twist that I hadn’t anticipated and made my jaw DROP. Excellent job! I also loved the narration. Laura is one of my fave narrators!
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Reviewed in the United States on August 15, 2025
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❈ Elizabeth ❈ | Breakawayreads
Lake Worth, US
★★★★★ 5
Fallen Angels, fae, vampires, oh my!
Format: Kindle
Rating: 4.5 | Spice: 2 (but a good slow-burn) • Main Characters: Huntyr and Wolf • I couldn’t wait to read this book; there was so much hype about it! And there was no doubt why. I fell in love with the characters and the plot itself. This book is mainly plot driven more than friction driven but it’s easy to follow along with. The characters are fun, easily understood. The main setting is at an academy where both the main characters are going through trials and building strength for the final test, The Transcendent. There are fantastic side characters as well. I loved the camaraderie between Huntyr and her friends. But we don’t like Lanson. 😆 We do have some plot twists that come into play throughout the book. Secrets and betrayal to be seen. I did adore Wolf and Huntyr’s relationship. It was a classic slow burn trope. They didn’t hit it off fast, but in time their feelings grew. I loved their banter, so sexy. Wolf is your next book boyfriend; Huntyr is your next vampire assassin independent bad-a*s female. Themes include loyalty, trust, self-discovery, a true slow burn romance. Side note: book ends on a angsty cliffhanger! • Emily, thank you for writing this awesome novel and I cannot wait to devour Book 2, Blood So Brutal! 😍 • Happy reading, my lovelies! xo
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Reviewed in the United States on January 21, 2024
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MelsABookworm
Lake Worth, US
★★★★★ 4
“My heart bows to you and you only, Huntress.”
Format: Kindle
3.5 🌟 This book popped up in my KU recommended reading suggestions and the synopsis sounded like what I was in the mood for. I'm so glad I took a chance on it. I went into this knowing absolutely nothing about it and ended up really liking it. I love when this happens. The main characters are likeable and I easily found myself rooting for them. There is a mystery element to each of their backstories that I enjoyed watching unfold and can't wait to get more of. Wolf, in particular, has me fixated. Love him. I found this to be an entertaining, addictive read with a plot that moves along at a good pace. It reads so easily I found myself very reluctant to put it down. Lots of twists and turns and the angst is there. A good set up for the next book to come, for sure. My issues with this book....the dialogue feels a bit juvenile at times and there is a repetitive over use of a particular word phrasing that I found myself giving the ole eye-roll to. There are, without a doubt, some pretty cliche moments that gave me a bit of the cringe. I think this could've certainly 100% benefited from more depth regarding the world building. Perhaps the world building was sacrificed to keep the pacing quick? Just a guess. Also, the lack of consistency of character for the FMC was really evident and so she feels quite illogical at times. Overall, this was a fun and enjoyable read that hit the spot well enough for me. That ending certainly has me impatiently pining for book 2!
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Reviewed in the United States on June 18, 2024
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Amazon Customer
Whiting, US
★★★★★ 3
Interesting take on the genre
Format: Kindle
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Reviewed in the United States on May 12, 2024
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Irene zamora
San Leandro, US
★★★★★ 5
great book
Format: Kindle
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Reviewed in the United States on June 2, 2026

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