Legit on MSN10 天
63 fun facts about rocks and minerals that will rock your world
What FACTS ABOUT ROCKS do you know? They are abundant on earth, and yet little is known about them. These facts will increase your knowledge of the rocks.
来自MSN8 个月
What's the difference between a rock and a mineral?
"These are termed the common rock-forming minerals ... their mineral composition. Once their mineral composition changes, the rocks are considered metamorphic, with examples including phyllite ...