Country:
Russia
State/District:
Kaluga district
Date of fall/find:
Found 2004, July
Total known weight:
20.02 kg
Number of pieces:
1
Type:
Stone. Ordinary chondrite
Shock stage: S1
Weathering stage: W1
Meteoritical Bulletin record: Click here
One stone weighing 20.02 kg was found by Svetlana Murashova and Stanislav Murashov while collecting mushrooms 2 km SSW of the Koltsovo village. The stone occurred at the edge of a ploughed field and was probably removed there during agriculture works. No other meteorite fragments were found in the field by Dr. Andrei .Stanyukovich of Moscow. Classification and mineralogy (M.Nazarov, Vernad): chondrules of different types and their fragments are well defined; olivine, Fa20.0, PMD 2.7%; pyroxene shows variable composition, Fs5-24Wo0.2-7.2, the mean, Fs12.9Wo1.2; shock stage S1; weathering grade W1. Specimens: 2034 g and a thin section, Vernad; main mass with the finders.
ID#:
7772
Description:
Slice
Size:
3.6 x 2.8 x 0.3 cm
Weight:
8 gr
US$ 25.00
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3 more specimens of Koltsovo
Class:
H4
Weight:
3.8 gr
Country:
Russia
US$ 15.00
See Details
Class:
H4
Weight:
7.5 gr
Country:
Russia
US$ 20.00
See Details
Class:
H4
Weight:
9.5 gr
Country:
Russia
US$ 25.00
See Details