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Basic information Name: Dueodde
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2017
Country: Denmark
Mass:help 75 g
Meteoritical Bulletin:  MB 107  (2018)  H5
Recommended:  H5    [explanation]

This is 1 of 10853 approved meteorites (plus 19 unapproved names) classified as H5.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 7 Apr 2018
Writeup from MB 107:

Dueodde        54°59’24’’N, 15°04’12"E


Find: 2017 July 17

Classification: Ordinary chondrite (H5)

History: While cleaning the roof of the annex of their summerhouse in the area of Dueodde, in the southern part of the island of Bornholm, Denmark, the finder noticed a circular hole of approximately 5 cm in diameter in the roof. Further inspection of the area under the roof revealed the presence of single dark stone with apparent fusion crust. The finder estimates that the meteorite fall must have occurred within the last 2-3 years. Following recovery of the specimen, staff at the NHMD were contacted and the stone delivered.

Physical characteristics: Single 75 g spherical stone covered by irregular black fusion crust.

Petrography: The petrography was investigated from a polished thick section using backscattered electron imaging and X-ray scans. The meteorite displays an unbrecciated and recrystallized chondritic texture. Plagioclase grains are present and are typically less than 50 μm in size. The chondrules typically display obscured outlines. Porphyritic olivine and radial pyroxene chondrules are observed, ranging in sizes from 0.2 to 1 mm in diameter.

Geochemistry: The mean composition of olivine is Fa19.4±0.4 with a compositional range of Fa19.1-19.8 (n=14). The low-Ca pyroxenes have a mean composition of Fs17.2±0.5 (n=15), defining a compositional range of Fs16.4-17.2. The mean plagioclase composition is An12.0±0.3Or5.4±2.0 (n= 15; range An11.6-12.2).

Classification: H5

Specimens: Main mass and one thick polished section at NHMD.

Data from:
  Table 0
  Line 0:
Date:2017 July 17
Mass (g):75
Weathering grade:W1
Fayalite (mol%):19.4±0.4
Ferrosilite (mol%):17.2±0.5
Classifier:A.N. Krot, D. Wieland, M. Bizzarro
Type spec mass (g):75
Type spec location:NHMD
Main mass:NHMD
Comments:Submitted by M. Bizzarro, A.N. Krot, D. Wielandt
   and collections
NHMD: Natural History Museum of Denmark, University of Copenhagen, Øster Voldgade 5-7, 1350 Copenhagen K, Denmark. , Denmark; Website (institutional address; updated 17 Aug 2012)
References: Published in Meteoritical Bulletin, no. 107, MAPS 55, 460-462
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     Recommended::   (54° 59' 24"N, 15° 4' 12"E)

     This is 1 of 8 approved meteorites from Denmark (plus 1 unapproved name)
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