2007-03-06 13:33:36 · 5 answers · asked by Anonymous in Science & Mathematics ➔ Earth Sciences & Geology
Coral is a living organism. they eat, reproduce, etc. Its just not a mineral, its like asking why is a cat not a plant... it just isnt
here's some more info
http://en.wikipedia.org/wiki/Coral
2007-03-06 13:38:14 · answer #1 · answered by Anonymous · 2⤊ 0⤋
Minerals are naturally occuring, inorganic solid with a definite structure. Coral isn't a mineral because it isn't inorganic(it's alive), it is not a solid and doesn't have a unique chemical composition.
2007-03-06 13:47:10 · answer #2 · answered by Nathan 3 · 2⤊ 2⤋
Mostly beacuse it is of biogenic in origin. However it is made of clacium carbonate, commonly known as limestone.
2007-03-06 13:38:24 · answer #3 · answered by Professor Kitty 6 · 0⤊ 1⤋
Coal is not alive, it is just made from plant material which got conpressed and underwent burial.
2007-03-06 14:53:49 · answer #4 · answered by magnetic__reversal 2 · 0⤊ 1⤋
i think cuz its alive
2007-03-06 13:37:40 · answer #5 · answered by gamerguy86 2 · 1⤊ 0⤋