In any case, the preponderance of evidence suggests that the population of the USSR didnât buy into the filmsâ pulpy propaganda so much as put up with it and maybe even enjoyed it for its simple escapist chicanery. Cosmic Voyage was almost certainly more fun than it was politically inspirational.
biotite. n. 1. (Minerals) a black or dark green mineral of the mica group, found in igneous and metamorphic rocks. Composition: hydrous magnesium iron potassium aluminium silicate. Formula: K(Mg,Fe)3(Al,Fe)Si3O10(OH)2.
1 Igneous rocks, which are formed from magma, are furtâ¦. 2  An Introduction to the Mineral Biotite Mica and its Role in Geology Biotite mica is a common rock-forming mineral. 3  It belongs to a large group of minerals that are found in igneous and metamorphic rocks. Igneous rocks, which are formed from magma, are furtâ¦. 2  An Introduction to the Mineral Biotite Mica and its Role in Geology Biotite mica is a common rock-forming mineral. 3  It belongs to a large group of minerals that are found in igneous and metamorphic rocks.