Clearly dark layer, that is not mica. The dark layer is Bromine melt layer without Bromine ind the mineral layer, upon the melt layer, RH have found Silicate melt barring Bromine as high as 5.74 %.
areas are in the matrix is radiated metal decay. Beside the dark brown and orange globules, all minerals are transparent, in color even there is a big diffrence.
Sample piece also have small inclusions in color, like pigenit in yellow, and augite in
green, som redchondrules and micro in pink.