Meteorite NWA 7936 - Rare Primitive Chondrite : L3. 15
Item History & Price
| Reference Number: Avaluer:8372849 |
NWA 7936 NWA 7936Found Sahara, 2012ChondriteL3.15Subtype based Cr2O3 distribution in ferroan olivineSpecimen is a 0.74g slice COMBINED SHIPPING : 5$ per package Northwest Africa 7936Basic informationName: Northwest Africa 7936
This is an OFFICIAL meteorite name.
Abbreviation: NWA 7936
Observed fall: No
Year found: 2012
Country: (Northwest Africa)
Mass: 1300 g
Classification
history:R...ecommended: L3 Comments:Approved 30 Dec 2013WriteupWriteup from MB 102:
Northwest Africa 7936 (NWA 7936)(Northwest Africa)Purchased: 2012Classification: Ordinary chondrite (L3)History: Purchased by Ali and Mohammed Hmani in 2012 from a dealer in Morocco.Petrography: (A. Irving and S. Kuehner, UWS) Medium to large (0.4-2.3 mm), well-formed chondrules. Olivine, orthopyroxene, pigeonite, augite, sodic plagioclase, chromite, stained kamacite and troilite.Geochemistry: Olivine (Fa1.4-76.8; Cr2O3 in ferroan examples is 0.06-0.83 wt.%25, mean 0.23±0.22 wt.%25, N = 14), orthopyroxene (Fs1.0-43.8Wo0.9-2.8), pigeonite (Fs18.2Wo22.1), augite (Fs8.5Wo41.9).Classification: Ordinary chondrite (L3.15). Estimation of subtype based Cr2O3 distribution in ferroan olivine per Fig. 15a of Grossman and Brearley (2005).Specimens: 20.1 g and one polished thin section are at UWB. The remainder is held by Hmani.Bibliography:Grossman J.N. and Brearley A.J. (2005) The onset of metamorphism in ordinary and carbonaceous chondrites. Meteorit. Planet. Sci. 40, 87-122. (link)Data from:
MB102
Table 0
Line 0:Place of purchase:MoroccoDate:P 2012Mass (g):1300Pieces:2Class:L3Shock stage:S2Weathering grade:W1/2Fayalite (mol%25):1.4-76.8 (n = 16)Ferrosilite (mol%25):1.0-43.8Wollastonite (mol%25):0.9-2.8Classifier:A. Irving and S. Kuehner, UWSType spec mass (g):20.1Type spec location:UWBMain mass:Hmani Inc.Comments:OT06; submitted by A. IrvingInstitutions
and collectionsUWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
Hmani: A. Hmani Moroccan Imports, 13 rue Jules Hardouin Mansart, 92600 Asnières, France (private address) Check out my other items!WE COMBINE SHIPPING Payment and ShippingI combine shipping, means you will pay only one time the S&H fees regardless the quantity in the package. Usualy you will pay a total of 2$ for all your items put together in one, or two packages.I accept Paypal or bank to bank transfer.If you have any question, please contact me.
