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Williams
Basic information Name: Williams
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2012
Country: United States
Mass:help 1030 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  H4
Recommended:  H4    [explanation]

This is 1 of 5776 approved meteorites (plus 2 unapproved names) classified as H4.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 19 Jun 2013
Writeuphelp
Writeup from MB 102:

Williams        38.843°N, 86.620°W

Lawrence County, Indiana, United States

Found: 2012 Oct

Classification: Ordinary chondrite (H4)

History: Found by Mr. Douglas May in October 2012 while he was tilling his garden. The find location was 3 miles east of Williams in Lawrence County, Indiana.

Physical characteristics: A single brownish stone weighing 1030 g.

Petrography: (A. Irving and S. Kuehner, UWS) The specimen consists of small, well-formed chondrules in a finer grained matrix rich in stained metal. Primary minerals are olivine, orthopyroxene, clinopyroxene, sodic plagioclase, chromite, merrillite, chlorapatite, troilite and kamacite (partially altered to iron hydroxides).

Geochemistry: Olivine (Fa18.9-19.0), orthopyroxene (Fs16.9-17.0Wo1.2-1.3), clinopyroxene (Fs5.2-5.3Wo46.7-46.9).

Classification: Ordinary chondrite (H4).

Specimens: A total of 20.2 g of sample and one polished thin section are on deposit at UWB. The main mass is held by Mr. D. May.

Data from:
  MB102
  Table 0
  Line 0:
State/Prov/County:Indiana
Date:2012 Oct
Latitude:38.843°N
Longitude:86.620°W
Mass (g):1030
Pieces:1
Class:H4
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):18.9-19.0
Ferrosilite (mol%):16.9-17.0
Wollastonite (mol%):1.2-1.3
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):20.2
Type spec location:UWB
Main mass:D. May
Finder:D. May
Comments:Submitted by A. Irving
Institutions
   and collections		 UWS: 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)
Catalogs:
References: Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015
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Geography:

United States
Coordinates:
     Recommended::   (38° 50' 35"N, 86° 37' 12"W)

Statistics:
     This is 1 of 13 approved meteorites from Indiana, United States (plus 1 unapproved name) (plus 1 impact crater)
     This is 1 of 1827 approved meteorites from United States (plus 358 unapproved names) (plus 28 impact craters)
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