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Magical Seashells.
limestone
Coquina is a form of limestone made of seashells and seashell fragments.
seashells are rocks. this would be because seashells are made out of minerals and formed by some of the same things as rocks. if you looked close enough at certain shells then you would see that seashells are alike with certain kinds and shapes of rocks.
Seashells are hard because they are mainly made of calcium, a hard mineral, which is what bones are made of.
limestone is mostly seashells
Not necessarily. While nearly all fossils, including seashells, are found in sedimentary rock, most sedimentary rock does not contain fossils. Even then, those fossils will not necessarily be seashells. If you do find a rock with seashells, though, you can be pretty much guaranteed that it is sedimentary.
seashells are made by rocks rubbing together
Seashells are made of animals body. Melded up and made a shell.
A rock that contains fossil seashells was most likely formed as a result of sedimentation.
A rock that contains fossil seashells was most likely formed as a result of sedimentation.
Even the Sand Is Made of Seashells was created in 2006.