Reflection twin
From Online Dictionary of Crystallography
Macle par reflexion (Fr). Geminato per riflessione (It).
Two crystals form a reflection twin when the twin operation is a reflection across a lattice plane (twin plane).
Macle par reflexion (Fr). Geminato per riflessione (It).
Two crystals form a reflection twin when the twin operation is a reflection across a lattice plane (twin plane).