Calcite Is a ROCK?
In RTP, public television of portugal, in the tvshow "Um contra todos".
You can see the question:
"Which one of these rocks will be marble after metamorphism?
a) basalt
b) granite
c)Calcite"
Ps: Some basic notions:
Rock: Group of Minerals
Limestone: Rocks, taht the most part is calcite.
LimeStone + Metamorphism(heat&presure) = MARBLE!!! :D
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