CK3 Chondrite | NWA 12801 | Brecciated
11.71 g. | Full slice | NWA 12801| CK3, S2, W - moderate
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1700, Sofia, Bulgaria
11.71 g. Full slice of NWA 12801, CK3, S2, W - moderate
Meteorite Name: Northwest Africa 12800
Abbreviation: NWA 12800
Observed fall: No
Year found: 2018
Country: (Northwest Africa)
Main Mass: 250 g.
Type, group, subgroup: Stone, ordinary chondrite, CK3
Specimen Weight: 11.71 grams
Approximate Measurements: 67 mm x 45 mm x 2 mm
Physical characteristics: Two dark-grayish fragments without fusion crust.
Petrography: The meteorite displays a brownish interior and is composed of several well defined chondrules (mean diameter about 700 μm) set into abundant recrystallized matrix. Compositionally equilibrated Fe-rich olivine is the dominant mineral phase in the matrix. Olivine and low-Ca pyroxene are compositionally zoned in most chondrules. Minor phases include intermediate plagioclase, Ca-pyroxene, and troilite. Cr-rich magnetite is abundant; metal was not detected. The meteorite appears brecciated.
Geochemistry: unequilibrated olivine: Fa20.9±4.4 (Fa15.0-25.5, n=11); unequilibrated low-Ca pyroxene: Fs14.9±7.8Wo0.4±0.1 (Fs3.8-23.3Wo0.3-0.5, n=14); Fe-rich matrix olivine: Fa29.5±0.9, FeO/MnO=115±13, n=13; low-Ca matrix pyroxene: Fs24.3±0.7Wo1.0±0.2, n=18; matrix Ca-pyroxene: Fs10.0±1.4Wo43.6±4.6, n=5; matrix feldspar: An25.7±7.5Ab69.3±6.3Or5.1±1.4, n=6
|Fayalite (mol%):||20.9; 29.5|
|Ferrosilite (mol%):||14.9; 24.3; 10.0|
|Wollastonite (mol%):||0.4; 1.0; 43.6|
Full slice, mirror polished.
The meteorite is treated and polished without aggressive abrasives or chemicals that can damage it.
We have developed a gentle approach to handling our meteorites.
Elegant slices worthy of any collection.
Arrives with a certificate of authenticity. IMCA #6460
Note: The meteorite is sold without the scale cube.
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- Item Location
- 1700, Sofia, Bulgaria
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- €5,00 EUR
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