‹×××› PolandMET ‹×××› Polish Meteorite Laboratory ‹×××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××›

» Meteorite: NWA 5222

Northwest Africa 5222
Algeria
Find: 2007
Classification: Achondrite Howardite

History and physical characteristics:
A small 60 g stone with little fusion crust and a heavily wind ablated surface was purchased in Erfoud, Morocco in October 2007.
Petrography (J. Wittke and T. Bunch, NAU):
A howardite with many basaltic and at least two diogenitic lithologies together with many heavily shocked, dark clasts. One cumulate basalt contains maskelynite. One diogenite lithology contains 23 vol % plagioclase.
Mineral compositions:
Subophitic basalt pigeonite is Fs55 9Wo7.8 (FeO/MnO = 30) and single grains of augite are Fs28.3Wo34.6. Low FeO cumulate basalt orthopyroxene is Fs34.6Wo3.8 (FeO/MnO = 26). Diogenite orthopyroxene is Fs22.6Wo2.0.

Specimen Picture	Weight	Description	Prices
	5.41g 43x22x3 mm	Name : NWA 5222 Class : A-Howardite, S2-4/W-low Region: Maroko Date : 10.2007 TKW : 60g Howardite with high capacity of iron.	30$/g = 162$
	5.66g 36x22x3 mm	full slice	30$/g = 170$

Last Update: