Description
Complete piece.
Comes with certificate.
66,59 $
This meteorite was discovered in the mythical Chwichiya concentration area in the Western Sahara.
Chwichiya 004 27°23’42.89 “N, 11°42’12.82 “W
Saguia el Hamra, Sahara occidental
Discovery date : April 24, 2019
Classification : Ordinary chondrite (LL7)
History : found by Hammo Oualguirah on April 24, 2019. Purchased from Mohamed Elguirah by Jean Redelsperger.
Physical characteristics : Several grayish stones, without fusion crust.
Petrography : (J. Gattacceca, CEREGE) Recrystallized chondrite. No relict chondrules observed. Olivine (up to 200 µm) has lobed contours. Plagioclase of typical size 100 µm.
Geochemistry: Olivine Fa30.0 (n=2). Low Ca pyroxene Fs24.8±0.0Wo3.2±0.2 (n=3).
Classification : Ordinary chondrite (LL7). Type 7 based on texture and Wo content of low-Ca pyroxene.
Specimens : Type specimen at CEREGE. Main mass, Jean Redelsperger.
In stock
Complete piece.
Comes with certificate.
Weight | 6,2 g |
---|---|
Dimensions | 1,5 × 1,5 × 1 cm |
Form | Full |