Abadla 004 30.873960N, 2.802016W

Bechar, Algeria

Purchased: 2023

Classification: Primitive achondrite (Winonaite)

History: Purchased by Sahrawi meteorit hunters in Abadla, Algeria.

Petrography: (K. Metzler, IfP) Achondrite with metamorphic texture, showing frequent 120° triple junctions and partly poikilitic intergrowths. It consists of forsterite, enstatite, diopside, plagioclase, and Fe-Ni metal. Much of the latter is terrestrially oxidized, forming veins of alteration products along grain boundaries and crosscutting mineral grains. Typical grain sizes vary between 200 and 500 µm. Accessories are troilite, schreibersite, and daubréelite.

Geochemistry: Mineral compositions and geochemistry: Mean olivine composition: Fa0.2±0.1 (Fa0.1-0.2); Fe/Mn (at.): 1.4; n=8. Mean low-Ca pyroxene composition: Fs0.6±0.1Wo2.1±0.2 (Fs0.4-0.8Wo1.8-2.4); Fe/Mn (at.): 0.7; n=6. Mean composition of Ca-rich pyroxene: Fs0.7±0.6Wo44.3±0.6 (Fs0.3-1.7Wo43.5-44.8); Fe/Mn (at.): 1.7; n=5. Mean feldspar composition: An9.4±0.5Or3.9±0.3 (An8.7-9.8Or3.7-4.3); n=5

Classification: Winonaite, based on texture and mineral chemistry.

Shock stage: M-S1
Weathering grade: Moderate.
Classifier: K. Metzler, IfP

This lot comes with certificate of authenticity.
Thanks for your interest.


Abadla 004 30.873960N, 2.802016W

Bechar, Algeria

Purchased: 2023

Classification: Primitive achondrite (Winonaite)

History: Purchased by Sahrawi meteorit hunters in Abadla, Algeria.

Petrography: (K. Metzler, IfP) Achondrite with metamorphic texture, showing frequent 120° triple junctions and partly poikilitic intergrowths. It consists of forsterite, enstatite, diopside, plagioclase, and Fe-Ni metal. Much of the latter is terrestrially oxidized, forming veins of alteration products along grain boundaries and crosscutting mineral grains. Typical grain sizes vary between 200 and 500 µm. Accessories are troilite, schreibersite, and daubréelite.

Geochemistry: Mineral compositions and geochemistry: Mean olivine composition: Fa0.2±0.1 (Fa0.1-0.2); Fe/Mn (at.): 1.4; n=8. Mean low-Ca pyroxene composition: Fs0.6±0.1Wo2.1±0.2 (Fs0.4-0.8Wo1.8-2.4); Fe/Mn (at.): 0.7; n=6. Mean composition of Ca-rich pyroxene: Fs0.7±0.6Wo44.3±0.6 (Fs0.3-1.7Wo43.5-44.8); Fe/Mn (at.): 1.7; n=5. Mean feldspar composition: An9.4±0.5Or3.9±0.3 (An8.7-9.8Or3.7-4.3); n=5

Classification: Winonaite, based on texture and mineral chemistry.

Shock stage: M-S1
Weathering grade: Moderate.
Classifier: K. Metzler, IfP

This lot comes with certificate of authenticity.
Thanks for your interest.

Hauptmineral/ Name Meteorit
Abadla 004, Winonait-Meteorit. Neue Klassifizierung.
Kristallform/ Art Meteorit
Kein Mindestpreis.
Gewicht
15,23 g
Herkunft (Region/ Stadt)
Abadla
Herkunftsland
Algerien

475 Bewertungen (226 in den letzten 12 Monaten)
  1. 225
  2. 1
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The order was prepared and sent very quickly and well packaged. Everything was correct. I got a great piece of meteorite at good price.

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user-8219dfcf5596

Great Seller! The product i purchased perfectly matches the description, and it arrived with very careful packaging.

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user-7378e7002e8a

Fast shipping, item as described, and always comes protected in the package, thank you my friend.

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user-3d4c6d903dc9

Quickly and efficiently without any problems. 100% satisfaction :-) I RECOMMEND

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user-9933c7ea3857

Fast shipping, Item came as described in a beautiful box. Thank you my friend.

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user-3d4c6d903dc9

J'ai gagné 4 météorites chez ce vendeur dont une jolie coupe complète,elles sot arrivés en bon état donc si un jour le vendeur m'est en vente de jolie coupe complète je n'hésiterai pas si les moyens s

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user-ad2a87aaf9ab

Zeer goede ervaringen met deze verkoper. Er gingen een paar dingen mis met de verzending. Maar hij heeft er alles aan gedaan om de schade die was ontstaan te compenseren. Stijlvol, vriendelijk en mooi

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B0ENDER

Lot as described and in photos. Fast delivery. Thank you😊👍

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user-fc49d52

Lot as described and in photos. Fast delivery. Thank you😊👍

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user-fc49d52

Very fast delivery, safely packed, beautiful meteorite I highly recommend the seller

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user-9933c7ea3857

Fast shipping , item as described, item was well protected and a great trusted seller. Thank you my friend.

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user-3d4c6d903dc9

envoi rapide et parfaitement conforme à la commande

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user-94fb528caf82

Fast shipping, Beautiful slice in a nice box, thank you.

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user-3d4c6d903dc9

Good shipping , item arrived perfectly , item as described. thank you

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user-3d4c6d903dc9

Snelle verzending en professionele verpakking. Met dank

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475 Bewertungen (226 in den letzten 12 Monaten)
  1. 225
  2. 1
  3. 0

The order was prepared and sent very quickly and well packaged. Everything was correct. I got a great piece of meteorite at good price.

Übersetzung ansehen
user-8219dfcf5596