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Meteorite Art - Sikhote-Alin...
Meteorite Art - Sikhote-Alin Meteorite 5000 CFA Francs 5oz .925 silver coin, antique finish, proof.
Amazing coin, the first of new series "Meteorite Art", with an authentic fragment of iron meteorite inlaid. It depicts the very famous meteor crater created after impact in 1947, Russia. The coin features Ultra High Relief.
Mintage is limited to only 500 pcs. worldwide! With luxury box and COA.
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|Face Value :||5,000 CFA Francs|
|Metal :||.925 Silver|
|Weight :||5 oz|
|Size :||60.00 mm|
|Quality :||Proof antique finish|
|Mintage :||Only 500 pcs. worldwide|
|Series :||Meteorite Art|
|Certificate of Authenticity :||Yes|
|Original ETUI box/case :||Yes|
An iron meteorite fell on the Sikhote-Alin Mountains, in southeastern Russia, in 1947. Though large iron meteorite falls had been witnessed previously and fragments recovered, never before in recorded history had a fall of this magnitude been observed. An estimated 70 tonnes (metric tons) of material survived the fiery passage through the atmosphere and reached the Earth.
At around 10:30 on 12 February 1947, eyewitnesses in the Sikhote-Alin Mountains, Primorye, Soviet Union, observed a large bolide brighter than the Sun that came out of the north and descended at an angle of about 41 degrees. The bright flash and the deafening sound of the fall were observed for 300 kilometres (190 mi) around the point of impact not far from Luchegorsk and approximately 440 km (270 mi) northeast of Vladivostok. A smoke trail, estimated at 32 km (20 mi) long, remained in the sky for several hours.
As the meteor, traveling at a speed of about 14 km/s (8.7 mi/s), entered the atmosphere, it began to break apart, and the fragments fell together. At an altitude of about 5.6 km (3.5 mi), the largest mass apparently broke up in a violent explosion called an air burst.
Sikhote-Alin is a massive fall with the overall size of the meteoroid estimated at approximately 90,000 kg (200,000 lb). A more recent estimate by Tsvetkov (and others) puts the mass at around 100,000 kg (220,000 lb).
The Sikhote-Alin meteorite is classified as an iron meteorite belonging to the chemical group IIAB and with a coarse octahedrite structure. It is composed of approximately 93% iron, 5.9% nickel, 0.42% cobalt, 0.46% phosphorus, and 0.28% sulfur, with trace amounts of germanium and iridium.
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