NWA 7831 is a recent meteorite that was recovered out of the Saharan desert of Morocco in March 2013. A small strewnfield was discovered that contained thousands of tiny fragments and dozens of larger pieces of a relatively-fresh and unusual-looking meteorite. Upon classification, it was revealed to be a diogenite meteorite that is a member of the HED class from the asteroid Vesta. Fragments of this meteorite resemble an olivine-diogenite in texture and appearance. It has a crystalline texture with a greenish and amber coloration.
Refer to the photo. The black centimeter cube is shown for scale and is not included. You are purchasing a small fragment like the one shown. Your purchase will include a labeled gemjar for safe storage.