Northwest Africa 13518 (R4-5)


Country: Northwest Africa
State/District:
Date of fall/find: Found 2020, March
Total known weight: 2.634 kg
Number of pieces: 67
Type: Rumuruti chondrite (R4-5)
Shock stage: C-S3
Weathering stage: low

Meteoritical Bulletin record: Click here


History: Purportedly found in 2019 at the border between Algeria and Mali. Purchased by Mohamed Ali (972 g) and Miguel Angel Contreras (1662 g) from a Saharaui dealer in Mauritania in March 2020. Physical characteristics: Many pieces between a few grams and >500 g, some with fusion crust. Petrography: (K. Metzler, IfP) Chondritic genomict breccia, consisting of dark host material and light chondritic clasts up to ~2 cm. The host material is of petrologic type 4. It consists of chondrules and chondrule fragments, embedded in recrystallized interchondrule material. Relictic Mg-rich olivine cores can be occasionally observed. The light clasts are strongly metamorphosed and represent type 5 material with clearly recognizable chondrules.



ID#: 4520
Description: End cut
Size: 2.7 x 1.5 x 0.5 cm
Weight: 3.3 gr

US$ 65.00

 


1 more specimen of Northwest Africa 13518

Northwest Africa 13518

Class: R4-5
Weight: 4.5 gr

US$ 85.00

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