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Originally Posted by Caitlin Williams That is going to take some time to decipher, but it will be fun. So the crinkled keshi that are hollow were puffed up then deflated? Most of the krinkled ones seem like deflated spheres. |
This is not how I understand that.
Or maybe you're just trying to confuse us a little bit more...
The hole in the middle is originally conchiolin bubbles and C02 (and proteins). The layers of aragonite just accumulate and follow the shape of the conchiolin base.