Description
On offer: a complete Ouzina individual weighing 20.3g.
Dimensions: ~38 x 22 mm
What you get: this 20.3g individual, a membrane box, a label and signed Certificate of Authenticity.
Type: R4 chondrite
Country: Morocco
Date of find: 1999
Total mass: 642 g
Ouzina
Morocco , near Algerian border
Found 1999 April
R umuruti-type chondrite (R4)
A 642 g stone was found by a Bedouin. Classification and mineralogy (M. Killgore, SWML; A. Rubin, UCLA): chondrules (0.4 to 1 mm) well-defined, but matrix and chondrule mesostasis recrystallized; barred olivine and porphyritic chondrules abundant; average olivine, Fa40.1, with 0.18 wt% NiO; shock stage, S2; weathering grade, W4. Specimens: main mass, with a dealer who wishes to remain anonymous; Fectay; 120 g, SWML; type specimen, 27 g, FMNH.
