fourfold rotary inversion axis in c. Example: the meteorite mineral schreibersite (Fe,Ni)3P. 5 4/m, tetr.-dipyramidal:... . Fig. 4.6 Cosmic nickeliron, (Fe,Ni). Iron meteorite (octahedrite) from Joe Wright Mountain, Arkansas...(7 Chap. 31; 7 Sect. 32.2). The biggest iron meteorite so far known has a weight of about 60 t and is...Canada (40 kt), India (35 kt), Russia (25 kt), Ukraine (20 kt), Norway (16 kt), and Pakistan (14 kt)....microdiamonds are found in meteorite craters where, due to the impact of a big meteorite, the adjacent country |