NWA 2081

Northwest Africa 2081
Morocco
Found 2003
Achondrite (diogenite)
Total known weight 114 grams

Two mostly complete stones were purchased in Rissani, Morocco in October 2003. Description and classification (T. Bunch and J. Wittke, NAU): monomict breccia composed of partially recrystallized orthopyroxene clasts set in a fine to medium grained matrix of crushed opx. Mineral modes: opx, 95 vol. %; olivine, 4 %; chromite, 1 %; metal and sulfide, <1 %. Opx commonly exhibits fine deformation lamellae that are parallel to the [001] zone axis. Opx, Fs23.3Wo2.1; olivine, Fa6.9; chromite, Mg# = 22, Cr# = 86. Shock level S2/3; very low weathering grade (no oxidation of metal and no staining). Specimens: 22.2 g, NAU; main mass, Farmer.

 

NWA 2081 1: 12.14 gram endcut. SOLD	NWA 2081 2: 7.50 gram slice. $560.00
NWA 2081 3: 7.33 gram slice. $550.00