chalk is made up of the mineral calcium carbonate.
Chalk is a hard rock, with large lines of weakness so will erode by physical weathering and the sea.
Chalk is a sedimentary rock composed of the skeletal remains of tiny marine organisms and is composed mainly of the mineral calcite. As such, chalk is not a mineral.
chalk
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Chalk wasn't "invented"; it exist naturally in large mineral deposits such as those at the cliffs of Dover.
Chalk is a naturally occurring form of limestone, composed of the mineral calcite.
This is a white mineral.
No, chalk does not contain sulfur. Chalk is primarily composed of calcium carbonate, a mineral substance that does not contain sulfur.
Chalk is a carbonate sedimentary rock composed of calcite derived from the accumulation of coccoliths on the sea floor.
Chalk is a naturally occurring mineral composed of Calcium carbonate, it isn't made.
Sedimentary Rocks because chalk is pretty much limestone.
Limestone is a mineral largely composed of calcium carbonate.