grains. Left: Simple (upper right) and complex (lower left) twinning of gudmundite (blue and brown anisotropy)...longer fit into the same crystal lattice at the lower temperature; examples are, for instance, surplus...dolostones, mudstones) Ust’-Khann’ya Intrusion, Lower Khann’ya River, Vilyui (Vilui, Wilui) River Basin...grey); Shebenik Massif, Librazhd District, Elbasan County, Albania (sample: Goldmann/Oberthür); PPL B Wairauite...(light grey) in kamacite (tinted white); Kenton County Meteorite, Kentucky, USA (sample: Witzke); PPL |