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Mica is classified as a metamorphic rock-forming mineral due to its prevalent occurrence in schist and gneiss. These rocks are formed under high pressure and temperature conditions, typically deep within the Earth’s crust. The formation of mica can provide valuable insights into the conditions that prevail during the metamorphism of rocks. The shiny, thin layers of mica can be easily identified in hand samples due to their prominent cleavage, making them a crucial mineral for geologists in field studies.


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is mica pigment safe_is mica pigment safe