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Mica
A group of minerals that are common in igneous and metamorphic rocks. It can range in color from pale brown or yellow to green or black and split into thin sheets.

Mica
©Robert Bryan Chute
Word of the day
Ruperts Land >> The name of the land that was granted to the Hudson's Bay Company in the 1600s by Charles II. It was what is now Manitoba, Saskatchewan, Yukon, Alberta and some of the Northwest Territories.