Diogenite | NWA 7831 | Meteorite for Sale
2.72 g | Achondrite | Fragment from Vesta
- Very Good
€8,00 EUR to Bulgaria
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- Score: 26 - Percentage: 100%
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1700, Sofia, Bulgaria
Achondrite from Vesta found in Morocco
Observed fall: No
Year found: 2013 / 27.307°N, 12.083°W
Country: (Northwest Africa)
Shock stage: low
Weathering grade: moderate
Type, group, subgroup: Stone, achondrie, HED, Diogenite
Specimen Weight: 2.72 grams
Approximate Measurements: 19 mm x 11 mm x 8 mm
Additional Information: Beautiful HED Diogenite meteorite. Fragment.
Very beautiful collector's specimen. Live is even better. :)
Note: The meteorite is sold without the scale cube.
History: Found buried in the ground near Chouichiyat on March 3, 2013, and excavated by a team of local people.
Geochemistry: Orthopyroxene (Fs28.1-28.3Wo3.0-3.3; FeO/MnO = 29-31),
clinopyroxene (Fs10.9Wo43.1, FeO/MnO = 26).
HED meteorites are a clan (subgroup) of achondrite meteorites.
HED stands for "howardite–eucrite–diogenite".
These achondrites came from a differentiated parent body and experienced
extensive igneous processing not much different from the magmatic rocks
found on Earth and for this reason they closely resemble terrestrial igneous rocks.
These are all thought to have originated from the crust of the asteroid Vesta,
their differences being due to different geologic histories of the parent rock.
Their crystallization ages have been determined to be between 4.43 and 4.55 billion years from radioisotope ratios.
HED meteorites are differentiated meteorites, which were created by igneous processes in the crust of their parent asteroid.
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- 1700, Sofia, Bulgaria
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