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Gao-Guenie |
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Oriented Stones
This meteorite fell March 5, 1960, Burkina Faso (formerly Upper Volta), Africa. It is classified as a stone chondrite H5. Thousands small stones have been found in the area by locals. When this meteorite entered the atmosphere it broke up into thousands of pieces. Most of these pieces just tumbled randomly, but one out of a hundred stabilized and presented the same side toward the direction of fall. As the rock on the front of the meteor melted it flowed backwards along the side and when the melted rock reached the back edge some of it rolled over the edge into the relative calm at the back of the meteor and formed a lip. The back side of the meteor can be smooth or rough depending upon how quickly it stabilized in flight. The quicker the stabilization the rougher the back surface. As the meteor slowed to terminal velocity the flow lines and rims froze in place. I was fortunate enough to have the opportunity to pick through a couple kilograms of Gao oriented pieces. Out of that I selected about 260 grams worth. I then high graded that group and took only the top 80 grams. These are some super nice pieces. All of the following are 100% covered with fusion crust unless noted otherwise. The lines on the background of the 2nd photos are 1/4 inch apart.
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$212.50 |
| Weight 14.19 grams.
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$169.25 |
| Weight 11.29 grams.
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$SOLD |
| Weight 5.09 grams.
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$74.50 |
| Weight 4.96 grams. | |
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$SOLD |
| Weight 3.15 grams.
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$SOLD |
| Weight 2.22 grams.
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$SOLD |
| Weight 1.83 grams. | |
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