Muscovite is found in igneous, metamorphic and sedimentary rocks. In igneous rocks it is a primary mineral that is especially common in granitic rocks. In granite pegmatites muscovite is often found in large crystals with a pseudohexagonal outline.
Parmelee is located in Todd County, SD. The population is 674, making Parmelee the 4th largest city in Todd County. There are 1 public schools in Parmelee with an average Homefacts rating of NA. there are 9 registered sex offenders residing in the city.
Hummelstown is a borough in Dauphin County, Pennsylvania, United States. The population was 4,360 as of the 2000 census. It is part of the HarrisburgâCarlisle Metropolitan Statistical Area. Fredrickstown was the original village of present-day Hummelstown; it was established in 1762.