Koltsovo (H4)

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.

Specimen ID#: 4730
Description: Slice
Size: 3.5 x 3 x 0.3 cm
Weight: 7.9 gr
Price: US$ 15.00

1 more specimen of Koltsovo

Weight: 742 gr
US$ 1,000.00

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