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This Specimen has been sold.
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.61" Diogenite Meteorite (0.9 g) - From 4 Vesta Micro-Planet!
This is a .61" wide (0.9 gram) fragment of the NWA 7831 diogenite meteorite, found in the Western Sahara. This was foud buried in the sand in 2013, and was excavated by a group of locals. The 20-kilogram mass disintegrated into numerous small fragments upon excavation.
This specimen is quite weathered, but even the exterior is packed with lustrous orthopyroxene crystals. A truly out-of-this-world piece! It comes in an acrylic display case.
This specimen is quite weathered, but even the exterior is packed with lustrous orthopyroxene crystals. A truly out-of-this-world piece! It comes in an acrylic display case.
Diogenite Meteorites
Diogenite meteorites are a class of achondritic (stony) meteorites believed to originate from the inner crust of the asteroid (or minor planet) 4 Vesta.
4 Vesta, or simply Vesta, is the second largest object in the asteroid belt, with a mean diameter of about 525 kilometers (326 miles) and an elliptical shape. Vesta is likely the remnant of a destroyed planet, since it still retains a differentiated interior just like the layers of Earth and other rocky planets. It is one of just seven bodies in the solar system that humans have physical samples of. It is also the brightest asteroid visible from Earth, and can be seen with the naked eye!
Diogenites themselves are from a distinct part of Vesta: they come from the inner crust and are plutonic. They formed from intrusive igneous processes: in other words, diogenites were lava that cooled long enough to create crystals larger than what are found in howardites and eucrites, two other kinds of Vesta meteorites more commonly found on Vesta's surface. Thus, diogenites could indicate that Vesta was once part of a larger rocky planet with differentiated layers!
Diogenites are named for the ancient Greek philosopher Diogenes of Apollonia, who was the first person known to suggest that meteorites came from outer space.
A true color image of 4 Vesta taken by NASA's Dawn probe in July of 2011.
Diogenite meteorites are a class of achondritic (stony) meteorites believed to originate from the inner crust of the asteroid (or minor planet) 4 Vesta.
4 Vesta, or simply Vesta, is the second largest object in the asteroid belt, with a mean diameter of about 525 kilometers (326 miles) and an elliptical shape. Vesta is likely the remnant of a destroyed planet, since it still retains a differentiated interior just like the layers of Earth and other rocky planets. It is one of just seven bodies in the solar system that humans have physical samples of. It is also the brightest asteroid visible from Earth, and can be seen with the naked eye!
Diogenites themselves are from a distinct part of Vesta: they come from the inner crust and are plutonic. They formed from intrusive igneous processes: in other words, diogenites were lava that cooled long enough to create crystals larger than what are found in howardites and eucrites, two other kinds of Vesta meteorites more commonly found on Vesta's surface. Thus, diogenites could indicate that Vesta was once part of a larger rocky planet with differentiated layers!
Diogenites are named for the ancient Greek philosopher Diogenes of Apollonia, who was the first person known to suggest that meteorites came from outer space.
A true color image of 4 Vesta taken by NASA's Dawn probe in July of 2011.
TYPE
Achondrite (Diogenite)
LOCATION
Saguia el Hamra, Western Sahara
SIZE
.61 x .37 x .23", 0.9 grams
CATEGORY
SUB CATEGORY
ITEM
#266191
