Carbonaceous Chondrite - kohlehältige Chondrite - kohöl

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What are Carbonaceous Chondrites?

This is a rather rare but for science and education very important substance in meteoritics, since  represents the most primitive material available on our planet. This interesting material is very helpful to study the planets earliest history. Based on research insight we may assume that our earth evolved from similar materials. The carbonaceous chondrites are broken up into several  subgroups as the Meta-C-Chondrite type, the CI (Ivuna-type), the CK -type, the CM (Murchison-type), CV (Vigarano type), CO (Ornans-type), and the CR (Renazzo-type) .


CK4/5 - Name: DaG 275 , S2
rare Karoonda C-type: CK4/5 was found on march 24th 1997 in Dar Al Gani desert;

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CK4-AN    -   Maralinga

Date of find 1974


This is a solid anomalous Karoonda type C-chondrite



Fell November 25, 1930


Meta C-Chondrite

Phyllosilicates! -  


Meta C-Chondrite - Dho 225 A unique, black stone weighing 90 g was found in Dhofar 225 .

Available are complete or part slices or crumbs.

exiting new type:


Meta C-Chondrite are the most rare of all so far known meteorites and are of highest interest for cometary study: "Meta-C-Chondrites" are metamorphosed carbonaceous
chondrites. Only 4 meteorites (all Antarctican) were so far known to belong to the      
Meta C-Chondrite group: Belgica 7904, Yamato 82162, Y 86720, Y 86789; - for details/availibility on this most interesting meteorite ask:


Carbonaceous chondrite (CK4/5)  -  Dar al Gani 1030

Classification and

mineralogy (A. Greshake, MNB, and M. Kurz, Kurz): exhibits

typical texture with fine-grained and weakly recrystallized matrix

dominating over chondrules and mineral fragments; olivine,

Fa29.4, NiO up to 0.5 wt%;a low-Ca pyroxene, Fs25; Ca-pyroxene

Wo46.5Fs8.7; ; contains Cr-rich magnetite; oxygen isotopes (I.

Franchi and R. C. Greenwood, OU): ä17O = -3.99‰, ä18O =

+0.39‰, .17O = -4.19‰ are in agreement with the classification

as CK chondrite; low degree of shock; low degree of weathering.

Specimens: type specimen, 2.4 g, plus one polished thin section,

MNB, main mass, anonymous finder.



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Classification and mineralogy (A. Greshake and M. Kurz): it is a type 3 carbonaceous chondrite with chondrules, irregular shaped olivine-rich objects, and mineral fragments set into a fine-grained matrix of Fe-rich olivine, Ca-pyroxene, troilite, and FeNi-metal; chondrules are typically 200-400 µm in size and porphyritic olivine and pyroxene chondrules clearly dominate over radiating or cryptocrystalline types; olivine, Fa25.7 (range Fa0.7-37.6); pyroxene, Fs12 (range Fs2.5-48.3); oxygen isotopic composition (R. Clayton and T. Mayeda, UChi): d18O = -1.03, d17O = -4.95; shock stage, S1; weathering grade, W2. Main mass with anonymous finder; type specimen 22 g plus one polished thin section MNB. The meteorite is basically unshocked (shock stage S1) Measurements of oxygen isotopic compositions give a ä18O of –1.03 and a ä17O of –4.95, similar to the data obtained for the ungrouped type 3 carbonaceous chondrite Dar al Gani 055 (R. Clayton and
T. Mayeda, UChi): δ18O = -1.03‰, δ17O = -4.95‰ and (I. Franchi and R. C. Greenwood, OU): δ18O = -1.88‰, δ17O = -5.43‰,
Δ17O = -4.45‰ are clear of the CO3 chondrite field and possibly located on an extension of the CK3 range;

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CH3 - SaU290


CO3 Colony



CO3 - DaG 083 


DaG 173 CO3  


DaG 188 CO3


DaG 189 CO3


DaG 191 CO3


DaG 192 CO3 Ask for fair & affordable rate


DaG 194 CO3


DaG 227 CO3


DaG 289 CO3



CO3 - DaG 998

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CO III - DaG 749  


C1 ( CI ) Orgueil, France: rare Orgueil type 1 Carbonaceous Chondrite, Fall ! cometary origin!


CI2, (CI/2)  Tagish Lake

thermal history: fine clays are thought to have formed by the alteration of the coarse phyllosilicates during aqueous

processing, some well defined chondrules in the C- poor portion ( There are at least 2 lithologies in Tagish Lake (C-rich and C- poor). Note: In type 2 carbonaceous chondrites the products of aqueous alteration can be ubiquitously located

in ratios far greater than within type 3 Carbonaceous Chondrites. It is noteworthy that those are also present in all components (matrix, phenocrysts, chondrules, CAI).


CM2, Murchison ( Murchinson ), (Mighei - type2) very fresh , CM-Chondrite, fell on September 28th, 1969 in Victoria, legally exported; with fresh black fusion crust and/or interesting and detailed interior!

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CM2, TNZ 082

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  CR2, Northwest Africa


CV - Sayh Al Uhaymir 085

Sayh Al Uhaymir

Date of find: 2002, January 11 Type: Stone CV carbonaceous chondrite

Mineralogy and classification (M. Ivanova, M. Nazarov, Vernad): The meteorite consists of matrix, olivine aggregates, chondrules, their fragments and CAIs. The matrix/chondrule ratio is 0.8. Olivine is Fa0.7-80.5; low-Ca pyroxene is Fs0.7-22.6; pigeonite, augite, diopside and Al-diopside are also present. Mesostasis in chondrules is altered; accessories are kamacite and taenite, magnetite, chromite, sulphides and sulphates. Two observed CAIs are 0.9 . 1.0 mm and 1.7 . 1.9 mm in size, mostly fine grained, consisting of melilite, spinel, Al-diopside, and anorthite. Matrix is fine grained and altered, with development of phyllosilicates. Microprobe analyses were performed at UTenn.

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CV3, Allende
Carbonaceous Chondrite, kohliger Chondrit - CV3. Fall *8.2.1967 Allende Chihuahua, Mexico. Sale of finest quality which was found shortly after the fall. The many mm large white Calcium-aluminum-rich inclusions in Allende are billions of years old, and define for science the age of the solar system. They consist of unusual isotopic compositions, with many CAIs being distinct from the Earth, and other planetary bodies in our solar system. These "isotope anomalies" contain evidence for evolution histories that occurred in distant stars before the solar system was built.

Sale: Klick for finest Allende individuals museum quality Gallery 1:

 Klick for finest Allende slices museum quality Gallery 2:  


     NWA 5080 CV3 - with very large CAI's

One meteorite of TkW 235gr was found by an anonymous finder in the Saharan desert.

Mineralogy: Addi Bischoff,  InstPlanUniv. Muenster, Germany


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