Daubréelite

Fe-Cr sulfide (FeCr₂S₄) that crystallizes with cubic symmetryProperty of an object if some spatial manipulation of it results in an indistinguishable object. A symmetric object can be superimposed on itself by some operation. and found as an inclusionFragment of foreign (xeno-) material enclosed within the primary matrix of a rock or meteorite. Click on Term to Read More in meteoritic iron.