Livingstoneâs adults formal and informal education, non-formal and informal learning: This focuses on the idea of adult non-formal education. This new mode, âinformal educationâ is when teachers or mentors guide learners without reference to structured learning outcomes. This informal education learning is gaining knowledge without an imposed framework, such as learning new job skills.
Mica powder is made from the mineral mica, and is composed of very small particles that glitter when light strikes them. Mica powder can be used in a wide range of art projects, and to add a subtle glimmer to body lotions and makeup.
All are monoclinic, with a tendency towards pseudohexagonal crystals, and are similar in chemical composition. The nearly perfect cleavage, which is the most prominent characteristic of mica, is explained by the hexagonal sheet-like arrangement of its atoms.The word mica is derived from the Latin word mica, meaning a crumb, and probably influenced by micare, to glitter.round mica is used in the well-drilling industry as an additive to drilling fluids. The coarsely ground mica flakes help prevent the loss of circulation by sealing porous sections of the drill hole. Well drilling muds accounted for 15% of dry-ground mica use in 2008.