Not so frequent russian meteorite find of 2004. Part slice – 3.1g sold in a collection with label/certificate of authenticity.
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Kaluga district, Russia
Found 2004, July
Ordinary chondrite (H4)
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.
|Mass (g):||20.02 kg|
|Classifier:||M. Nazarov, Vernad|
|Type spec mass (g):||2034|
|Main mass:||S. Murashova and S. Murashov|