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MOUNT TAZERZAIT African Meteorite Silver Coin 1000 Francs Niger 2016


The amazing Mount Tazerzait meteorite is predestined to be immortalised on this interesting coin issued by Republic of Niger with an authentic fragment of meteorite inlaid. It depicts a part of Tahoua, a small city in Niger, the place where the meteorite has fallen. The coin features Ultra High Relief, Antique Finish quality and a gorgeous color combination. Mintage limited to only 699 pcs!

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139.95 €

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Mount Tazerzait Meteorite
A single stone of 110 kg was witnessed to fall by a seven-year-old Tuareg boy. Numerous pieces of this were distributed by a Tuareg man. Although Mount Tazerzait falls into the group of meteorites named ordinary chondrites it shows in fact a most extraordinary lithology. Contrary to most other ordinary chondrites Mt. Tazerzait displays very little if any impact induced shock alteration. Its shock stage was determined with the lowest degree of S1. This is insofar peculiar as the material must have been separated from its mother body very smoothly, before it started its journey towards earth. With approximately 61 million years the cosmic exposure age of Mt. Tazerzait was found to be remarkably long compared to most other chondrites.
After the collision the debris fell back onto the planetesimal and the material accreted under relatively high temperatures. The density of the post-collisional cloud prevented rapid cooling. The slow falling of the particles to the surface under high temperatures welded together a strong and highly porous rock. More porous and less compacted material, such as represented by Baszkówka, would have been located relatively near to the surface, while lesser porous and more compacted material, like Mount Tazerzait, must have originated from deeper within the parent body. Hydrothermal activity usually takes place in comets: When approaching the sun gases frozen in the core of a comet begin to sublimate and present water ice melts. It is then that hydrothermal reactions take place altering the original nature and composition of the parent minerals. It has therefore been suggested that asteroids producing porous material altered by aqueous solutions could indeed be called comets, since initially they represented open systems, in which water could circulate.

  • CountryNiger
  • Year2016
  • Face Value1000 Francs
  • MetalSilver
  • Fineness (purity)999/1000
  • Weight (g)31.1 (1 oz)
  • Diameter (mm)38.61
  • QualityAntique Finish
  • Mintage (pcs)699
  • Certificate (COA)Yes
  • Presentation case (box)Yes
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The colorful coin's reverse features the impact of meteorite Mount Tazerzait with Earth. Panoramic view with a part of Tahoua city. The city is primarily a market town for the surrounding agricultural area, and a meeting place for the Tuareg people from the north and the Fulani people from the south. For this reason the reverse of the coin features also a man with two animals, a camel and a goat. On the top, the inscription: "Mount Tazerzait Meteorite". The coin's obverse depicts the Niger's Coat of Arms and the face value.