SKU: 76399763171

Sinawan 005 Rumuruti Meteorite Individual, R5-6, 14.49g, Dual Lithology R-Chondrite

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Description

Sinawan 005 Rumuruti Meteorite Individual, R5-6, 14.49g, Dual Lithology R-ChondriteDual lithology R chondrite from Libya This 14. 49g Sinawan 005 individual preserves two distinct lithological zones across its natural surface, a light toned region and a contrasting dark zone that meet in a sharp boundary. The specimen retains partial fusion crust on one face, evidence of atmospheric entry. Rumuruti chondrites represent less than 0. 5% of all classified meteorites, making this R5 6 specimen from a recent 2023 Libyan find

Dual lithology R-chondrite from Libya

This 14.49g Sinawan 005 individual preserves two distinct lithological zones across its natural surface, a light-toned region and a contrasting dark zone that meet in a sharp boundary. The specimen retains partial fusion crust on one face, evidence of atmospheric entry. Rumuruti chondrites represent less than 0.5% of all classified meteorites, making this R5-6 specimen from a recent 2023 Libyan find scientifically significant.

The dual lithology structure visible in this piece reflects differing thermal or shock histories within the parent body before ejection. R-chondrites are named after the Rumuruti fall in Kenya and characterized by oxidized, fine-grained matrices with distinctive olivine compositions. Only three specimens of Sinawan 005 are known to exist.

Structure and features

The light zone shows tightly packed chondrules embedded in a fine matrix, typical of the R5-6 petrologic type. The darker region displays a more opaque matrix with less visible chondrule definition, suggesting localized shock darkening or impact melt influence. The contact between these zones runs diagonally across the specimen face, creating a natural contrast that highlights the meteorite's complex formation environment.

Partial fusion crust covers approximately 30% of the surface, preserving the black glassy rind formed during atmospheric passage. The exposed interior reveals the characteristic rust-brown coloration of oxidized R-chondrite material. No regmaglypts are visible on this small individual, but the fusion crust shows smooth flow textures consistent with rapid melting and cooling.

Scientific context

Rumuruti chondrites formed in an oxygen-rich region of the early solar system distinct from ordinary and carbonaceous chondrite parent bodies. The R-chondrite parent body remains unidentified, though spectroscopic studies suggest possible links to certain asteroids in the outer main belt. The R5-6 classification indicates this specimen experienced moderate thermal metamorphism, reaching temperatures sufficient to recrystallize silicates while preserving recognizable chondrules.

The dual lithology in this specimen records either impact brecciation or distinct cooling zones within the parent asteroid. Such features provide critical data about impact processing and thermal gradients in small planetary bodies. Researchers study R-chondrites to understand oxygen isotope distributions and oxidation states across different nebular regions. For broader context on meteorite classification systems, see our Learn About Meteorites guide.

Frequently asked questions

Is this meteorite authenticated? Yes. Sinawan 005 is classified as Rumuruti (R5-6) in the Meteoritical Bulletin. You can verify this classification through the MetBull database. This specimen includes a certificate of authenticity documenting its provenance and classification.

What does dual lithology mean? Dual lithology indicates two distinct rock types or structural zones present in a single meteorite specimen. In this Sinawan 005 piece, the light and dark zones represent different mineral assemblages or shock states that formed in the parent body before the meteorite reached Earth.

What is included with this specimen? You receive the 14.49g Sinawan 005 individual and a certificate of authenticity. No display stand is included.

Why are only three specimens of Sinawan 005 known? Sinawan 005 represents an extremely limited recovery from the 2023 find in Libya. The total known weight is minimal, and only three individual stones were classified and distributed. This scarcity makes each specimen scientifically valuable and highly collectible.

Can I display this meteorite without a case? R-chondrites are stable at room temperature and do not require sealed storage like hygroscopic carbonaceous chondrites. The fusion crust and oxidized matrix are durable. Standard display conditions away from prolonged moisture exposure are sufficient.

Collector significance

Sinawan 005 joins fewer than 100 classified Rumuruti chondrites worldwide. The R-group represents the rarest chondrite family available to private collectors. This 14.49g individual offers dual lithology structure visible without magnification, combining scientific interest with display appeal. Only three specimens exist, making acquisition opportunities extremely limited.

The specimen's natural surface and partial fusion crust provide authentication markers that distinguish it from processed slices. For collectors building reference sets of rare chondrite types, this Sinawan 005 individual fills a critical gap. Explore other rare chondrite specimens in our Chondrites collection.

Meteoritical Bulletin entry: Sinawan 005 | Classification: Rumuruti (R5-6) | Find, Libya, 2023

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SKU: 76399763171

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Tracy and Christina
Natrona Heights, US
★★★★★ 5
Amazing!
Format: Kindle, Format: Kindle
This book was phenomenal, I devoured it within a few days! For this being a debut novel, it is fantastic and I would’ve thought the author was a seasoned author. I have zero complaints about this book. Let me start by saying that the world building was phenomenal. I could picture everything in my head because of how detailed it was — that’s how good it was written. And I absolutely love the “captive/captor” trope so much, it’s become one of my favorite tropes, so I was pleasantly surprised to see that this book had that. I loved the banter between Rogue and Ara — they’re both snarky and witty, plus with the romantic tension, it made the dialogue that much better. Speaking of romantic tension, yes there is spice but not so much of it that it overrides the plot, which I loved. For me, this would probably be on the 3/5 level of spice. This book had a ton of plot twists and I thoroughly enjoyed it.
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Reviewed in the United States on November 13, 2024
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R Spires
Phoenix, US
★★★★★ 4
High on Tropes and Satisfaction
Format: Kindle
This is a great Romantasy book full of action, adventure, and everything you look for in this genre. I won’t lie: it does kinda feel like the author found every common trope from every successful book of this kind and threw them all into this novel. But if it ain’t broke, don’t fix it. Especially in romance, there’s a large audience who has specific expectations, and they want them every time. Nothing wrong with that and many times I’m one of them. I have no idea what defines a spoiler honestly, so spoiler alert!!!!!!! Tropes include: Only one bed at the inn/bar Dissatisfaction with life before hunk appears Lost royalty The chosen one Montage of dress up time followed by shocked hunk Forbidden romance between two from rival peoples Power that cannot be controlled, simply guided/asked Gathering intel at the inn/bar FMC who knows how to fight/use weapons well There’s probably more but no need to list them all. Good story and I would recommend!
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Reviewed in the United States on June 14, 2024
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Lisa B.
Natrona Heights, US
★★★★★ 5
OUTSTANDING
Format: Kindle
This was very, very good. The world is vast and characters are complex. There is a good plot with a whole lot going on. This is well written. Good twists and turns and some heart breaking moments. You will love these characters, they have heart and loyalty. I am hoping that there will be several more books. We've yet to see anything from the Sea Court but only a mention of them here and there. The Wood Court was given a quick couple of scenes, and only as far as some warriors, we've yet to enter their court and the Shadow Court, I'm not sure if they will be a force for good or bad, but they definitely will play a much bigger role moving forward. This is primarily the Ice and Air Courts. Told in multiple views, which I loved, it gives you a chance to see things from different eyes. There's alot of political maneuvering and deception. I loved it and will pick up the next book as it becomes available. If you like The Fae and the courts, you should love this. I think the author has mucn in store for us.
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Reviewed in the United States on March 8, 2020
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Jessika
Omaha, US
★★★★★ 4
Definitely worth the read!
Format: Kindle
After taking a deep breath and taking in that wicked twist of an ending, I have finally composed myself. My first thought when I started this book was that I love Reyna's character. I was intrigued by her connection with her familiar and the Ruin that is plaguing her land. It came as no surprise that she took her sister's place in an attempt to protect her. When they reach the Air Court everything slows down. This is where it was iffy for me. First of all, I like multiple POV's in books however 7 is a bit much. It starts to interrupt the story line. I felt like I was finally making progress connecting with one character, then it was switched to another person. I felt they all had necessary or pertinent information but not necessarily were they all POV worthy. The only other thing that annoyed me was that Reyna constantly was " trapped." She would rush off without thinking, only to need rescuing. She is brilliant in a fight, but she really doesn't think through anything. Lorcan is amazing. I know he might be on the "bad" list, but his background is so interesting. Eislyn(Reyna's sister) is really so sweet, but calculating. I enjoyed her and Thane's dialogue. The author did an amazing job with the imagery in this book. Everything was so detailed it was easy to fall into the scene. I love unexpected twists and while part of the ending I expected, I wasn't expecting how it took place. All in all, I found it very entertaining and I am very invested in continuing this series. Favorite quotes: "The truth may be twisted but never false." "Who was she if she was not the enemy of the Air Court? What was her purpose of she no longer has that?" "In a war-torn land, love was always a lie."
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Reviewed in the United States on March 4, 2020
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KAB
Draper, US
★★★★★ 5
Great Read!!! Great story!!!
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Reviewed in the United States on April 30, 2021

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