Skip to content
  • Nwa 13253 (1)
  • Nwa 13253 (2)
  • Nwa 13253 (3)
  • Nwa 13253 (4)

NWA 13253 Chondrite Meteorite Part Slice weighing 3.63g

£24.50

Only 1 left in stock

NWA 13253 Chondrite Meteorite Part Slice weighing 3.63g

 

Northwest Africa 13253
Basic informationName: Northwest Africa 13253
This is an OFFICIAL meteorite name.
Abbreviation: NWA 13253
Observed fall: No
Year found: 2019
Country: Morocco
Mass:help 211 g
Classification
history:
Recommended:  H5    [explanation]

This is 1 of 10193 approved meteorites (plus 18 unapproved names) classified as H5.   [show all]
Search for other: H chondritesH chondrites (type 4-7)Ordinary chondrites, and Ordinary chondrites (type 4-7)

Comments:Approved 7 Mar 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 13253 (NWA 13253)

Morocco

Purchased: 2019

Classification: Ordinary chondrite (H5)

History: Marc Jost (SJS) purchased the sample from Mohamed Hmani at the St. Marie aux Mines show in June 2019.

Physical characteristics: The 210. 6g stone is dark-brown in color, irregular in shape and lacks fusion crust. Small chondrules are visible on the surface. The cut face is pock marked and shows abundant chondrules surrounded by gray veinlets and troilite grains.

Petrography: Description and classification (A. Love, App) Sample has a recrystallized chondritic texture composed of distinct, densely packed chondrules and fragments surrounded by abundant weathered FeNi metal and FeS. Chondrules have an average apparent diameter of 504 μm (n=44) and show recrystallized mesostasis. Additional minerals are chromite, apatite, troilite, pentlandite and secondary plagioclase.

Geochemistry: (A. Love, App) Olivine (Fa17.5±0.1, Fe/Mn=35.2±0.8, n=8), low-Ca pyroxene (Fs16.2±0.1Wo1.1±0.1, n=8).

Classification: Ordinary chondrite (H5, C-S2, W3). Based on mineral compositions and textures this is an H5.

Specimens: Marc Jost (SJS) holds the main mass. An endcut weighing 20.59 and a polished thinsection and epoxy mount are on deposit at App.

Data from:
MB109
Table 0
Line 0:
Place of purchase:Str. Marie aux Mines
Date:P 2019
Mass (g):210.6
Pieces:1
Class:H5
Shock stage:C-S2
Weathering grade:W3
Fayalite (mol%):17.5±0.1
Ferrosilite (mol%):16.2±0.1
Wollastonite (mol%):1.1±0.1
Magnetic suscept.:4.99
Classifier:A. Love, App
Type spec mass (g):20.59
Type spec location:App
Main mass:Marc Jost (SJS)
Comments:Submitted by Anthony Love